Psychiatric disorders are medically referred to as mental disorders and are characterized by alterations in cognition, mood, and behavior, which can be accompanied by distressing experiences and functional impairment. The etiology and pathological changes of most functional clinical lesions are not clear. Organic lesions are mostly caused by brain diseases or somatic diseases, and common clinical diseases and symptoms include: 1. Alzheimer’s disease: This disease mostly has an acute onset, and continuous, irreversible mental decline is seen clinically. Early symptoms of the disease are mild, and recent memory impairment is seen. With the development of the disease, patients can show a decline in social skills, language impairment, as well as a decline in computing ability. In the late stage of the disease, patients basically lose their cognitive ability and even fantasy, and some patients may develop epilepsy; 2. Epilepsy: this disease is characterized by abnormal over-discharge of brain neurons causing recurrent epilepsy as seizures, and symptoms such as irritability, nervousness and insomnia can be seen before seizures; seizures are accompanied by dizziness, salivation, dazedness and blurred nerves, etc., and more sudden seizures; after seizures, autism and hazy state can be seen; 3. Brain tumor: more It is caused by tumor compression or invasion of normal brain tissues, which may lead to clinical symptoms such as inattention, memory loss, slow thinking, anxiety and depression, and in severe cases, dementia and even hallucinations; 4. Functional lesions: 1. Schizophrenia: the clinical manifestations of such patients are complex and change with the progress of the disease, commonly hallucinations, delusions, and disorders of speech and behavior, hallucinations in which hallucinations are the most common; emotional, social and cognitive deficits, with hypo volition, lack of pleasure is the most common, most of them are accompanied by anxiety and depression, some patients are intense, appearing aggressive violence, suicide, etc. Depression: the core symptoms are depressed mood, loss of interest, and reduced ability to experience pleasure; psychological symptoms include delayed thinking, abnormal cognitive function, negative cognitive patterns, and frequent thoughts of self-blame, and even suicidal ideas and behaviors; somatic symptoms commonly include sleep disorders, autonomic dysfunction, decreased energy, and sexual dysfunction; 3, anxiety disorders: patients may experience mental 3, anxiety disorders: patients may have excessive worry, accompanied by muscle tension, tension headache and other symptoms, as well as autonomic dysfunction, tachycardia, chest tightness, dizziness, sweating, dry mouth and other manifestations; 4, sleep-wake disorders: including insomnia disorders, patients have difficulty falling asleep, sleep maintenance difficulties, but also include drowsiness disorders, sleep-wake rhythm disorders; 5, other: such as neurodevelopmental disorders, obsessive-compulsive and related disorders, trauma and stress related disorders, dissociative disorders, feeding and eating disorders, elimination disorders, gender irritability, neurocognitive disorders, personality disorders, etc. Therefore, if psychosomatic abnormalities are found, they should be treated promptly to avoid aggravation of symptoms and adverse consequences.