Mental disorder after craniocerebral injury belongs to organic mental disorder, which is a common concomitant symptom after brain injury. Due to the change of thinking and behavior, it is extremely unfavorable to the treatment and recovery of the disease, for this reason, it is an important part of our nursing work to analyze the characteristics of such mental symptoms, to do a good job of patient rehabilitation guidance, to ensure patient safety and to promote the recovery of neurological function. 1, clinical data: 1.1 general data observation under the craniocerebral injury patients a total of 1058 cases, of which a total of 82 cases of mental disorders, the incidence of 7.75%, including 68 cases of men, 14 cases of women, age 12 ~ 78 years old, the average age of 39.3 years, according to the head CT scan confirmed, including 48 cases of frontotemporal lobe brain contusion, frontal lobe hematoma 19 cases, subarachnoid hemorrhage 5 cases, chronic There were 2 cases of subdural hematoma, 4 cases of axonal injury, and 4 cases of extensive cerebral contusion, and most of the mental disorders occurred in the early post-injury period. 1.2 Clinical manifestations of post-traumatic brain injury psychiatric symptoms, mostly accompanied by patients from coma to blurred or in the process of wakefulness, consciousness disorders combined with mental disorders, showing abnormalities in language, thinking, personality, behavior, according to Wan Haitao’s classification of mental disorders, divided into manic type, depressive type, gross schizophrenic type, dementia type. In this group of patients, there were 55 cases of manic type, 10 cases of depressive type, 2 cases of schizophrenic type, and 15 cases of dementia type. 2. Treatment Early diagnosis and early treatment of post-cranial trauma mental disorders are required. In the treatment, according to the CT of head trauma, it is clear whether there is organic injury in the head, such as hematoma, effusion, etc. If there are obvious indications for surgery, timely surgery will be performed, and if the psychiatric symptoms are still obvious after surgery or CT exclusion of intracranial occupancy, antipsychotic drugs will be applied according to the type of psychiatric symptoms, such as Valium, Fenazepam, Chlorpromazine, etc. for manic type, Doxepin, Prozac, etc. for depressive type, Vespertine, etc. for schizophrenic type, etc. for dementia type. The dementia type mainly adopts anti-dementia drugs such as Anlishen and other methods such as thinking and language training. Among the patients with mental disorders, through active treatment and rehabilitation guidance, 82.9% of them had disappeared, 9 had improved significantly, and 5 had improved, accounting for 6.2%. After discharge, the corresponding medication and rehabilitation exercises were continued. 4, discussion In this group of cases, combined with clinical symptoms and cranial CT found that the occurrence of mental disorders after craniocerebral injury is closely related to the site of brain injury, of which there are 67 cases of substantial damage to the frontal lobe, accounting for 81.7%, and the heavier the bilateral frontal and temporal lobe base damage, the more obvious the mental disorders, which is related to the physiological function of the frontal lobe, because the frontal lobe has the physiological function of controlling thinking behavior, while the glabellar lobe can Therefore, when the frontal and temporal lobes are injured, the axonal damage of brain cells, blood transport disorder, ischemia and hypoxia make brain edema aggravate, so that the normal function of frontal and temporal lobes is damaged and mental symptoms appear in different degrees. This is basically consistent with the emergence and duration of cerebral edema after brain injury, and when the cerebral edema is reduced and the injury gradually recovers, the psychiatric symptoms are also reduced. However, there were two cases of subarachnoid hemorrhage in which the brain parenchymal injury was mild but the psychiatric symptoms were severe, which may be due to the extensive increase in intra-arachnoid pressure, which stimulated the arachnoid membrane and soft membrane and caused extensive damage to cortical cells. In this group, it can also be found that the psychiatric symptoms are age-related, mainly in middle-aged and young people, and mostly in men, which is related to the high pressure of these patients in work and life, so it is very important to strengthen the psychological care of these patients in the treatment and rehabilitation guidance. 5. Rehabilitation guidance 5.1 Anticipatory guidance: When craniocerebral injury, especially patients with organic injuries such as cerebral contusion, intracranial hematoma, diffuse axonal injury, etc. are indicated by cranial CT, the nurse that is, according to the specific signs and symptoms and performance of each patient, anticipates possible dangerous behaviors, formulates corresponding nursing and safety precautions, and strengthens safety care. 5.2 Psychological care: understand in detail the patient’s life, work and family situation, patiently do a good job of explanation and guidance, lift the psychological burden, eliminate adverse psychological stimuli, and stabilize the patient’s emotions. Patients with mental disorders also have emotional needs, as a nurse should have a high degree of responsibility, compassion and patience for the patient, not to have boredom in the face of the patient, not to reprimand the patient, so as not to provoke the patient and aggravate the condition. At the same time, we should focus on the psychological support of the family, because the annoying brain injury and suddenly showed a very different reaction from the usual, the family often can not understand the patient’s actions, and the patient’s temper, loud reprimand, or act as nothing, the nurse should be annoying brain injury to the family after the mental disorder knowledge education, the introduction of relevant cases, guidance on specific accompanying methods and precautions, so that the family to build up confidence. Actively cooperate with the medical staff and jointly promote the mental rehabilitation of patients. 5.3 Guidance of manic psychiatric symptoms These patients have poor mood disorders and self-control, often react strongly to various stimuli, show easy agitation, rude behavior, emotional instability, and can appear aggressive behavior, violent behavior, mania, shouting in the ward, and even run away, this group of patients accounted for 67.1%, this type of patient nurses should create a quiet and comfortable environment, reduce The nurses should create a quiet and comfortable environment for this type of patients, reduce the number of visitors, reduce the sound of various operations and conversations, centralize the treatment operations as much as possible, ensure sufficient rest and sleep time, and at the same time do a good job of ward safety management, remove all kinds of dangerous objects and equipment. Use appropriate restraints and bed rails to prevent patients from falling out of bed; use restraint belts (limb and chest restraint belts) to reduce the range of movement of limbs and upper body to prevent patients from suddenly sitting up or forcibly getting out of bed to prevent dangerous behavior. Use various sedatives or antipsychotic drugs according to medical prescriptions, such as Valium, Thorazine, hibernation preparations, etc. Strictly control the dosage of medication. Time and route of administration, pay close attention to the observation of consciousness, pupils, vital signs and improvement of psychiatric symptoms to prevent hypotension, respiratory depression and other adverse reactions. Strictly escort system, the ward is an open environment, in order to prevent patients with mental disorders from wandering, falling, suicide, destruction, injury and other accidental behavior, causing personal injury and unnecessary medical disputes, medical accidents, from the health care staff’s own protection and the patient’s safety, require family members to strictly implement a 24-hour escort system, so that patients in the caregivers and family members within the scope of vision activities Do not go out alone. Doctors and nurses carefully explain to family members the causes, development and regression of mental disorders, so that they can understand the importance of accompanying the patient and better cooperate with the treatment and sign the medical record to show informed consent, prevent medical errors and evidence when necessary. The nursing staff is familiar with the patient’s psychological state and social support ability to create a good interpersonal space for the patient and reduce the interference of all undesirable factors. Give positive encouragement and communication during the gradual recovery of the patient’s consciousness and mental state to promote recovery. 5.4 Guidance on depressive-type psychiatric symptoms Post-traumatic depression is a psychological and physiological reaction due to trauma affecting the internal and external environment of the body. After the injury, there are often low mood, psychological depression, suspicious psychology and no confidence in life. In this group, these patients account for 12.2% of the total number of patients. While using antidepressants such as Prozac and Doxepin to treat this type of patients, we focus on psychotherapy, using empathy, doubt interpretation and guidance, strengthening communication and exchange, and timely encouragement, so that patients can enhance their ability of self-regulation and strengthen their psychological stress and tolerance. At the same time, family members and colleagues are asked to communicate more with them and talk more about positive events to distract them from the disease itself. 5.5 Guidance for schizophrenic patients This kind of patients are often not easily detected in the early stage of annoying brain injury hidden by the primary symptoms, and after the improvement of consciousness disorder, patients complain of hearing hallucinations, or show inexplicable nervousness, sleep disorders, etc., accompanied by changes in thinking. This group accounts for 2.5% of the patients, to this type of patients to give patient psychological guidance, tension to be appropriate loose her training, auxiliary use of antipsychotic and promote sleep drugs, strengthen the escort, more communication and observation. 5.6 Guidance of dementia-type mental symptoms Patients with dementia generally show a significant decline in memory, comprehension and judgment, slow thinking, emotional indifference and lack of interest in surrounding things. In this group, 18.2% of the patients were treated with anti-dementia drugs, and at the same time, the training of cognitive function, language function and daily living ability should be strengthened. In the training process, the method of early childhood initiation education should be used to teach the patients to recognize people and objects, constantly reinforce the learned contents, form new conditioned reflexes, and gradually increase the depth, such as word recognition, calculation and puzzles, which can enhance memory, and gradually encourage the patients to collect simple objects, gradually exercise self-care ability, guide and teach family members to implement rehabilitation training programs for patients, and even exercise after discharge, so that the patient’s mental rehabilitation process can be stabilized and as strong, while also enhancing the patient’s confidence in life. Psychiatric symptoms after craniocerebral injury have a great impact on patients’ psychological and social functions, and their recovery is a gradual process, so after discharge, they should also be instructed to actively participate in social interactions, active outdoor activities, establish good social interpersonal relationships, achieve a relaxed mood, and live a regular life, so that they can recover their physical, psychological and social adaptability to the maximum extent.