Dysthymia: Clinical manifestations are disorders of consciousness and emotion. The disorder of consciousness is common in a hazy state, the scope of consciousness is narrowed, and some of them are in a dream-like state or a state of moet. Various defense reflexes are always present in the disorder of consciousness and are related to strong emotional experience, which may include crying, laughing, rolling around, beating the chest, shouting, and other emotional outbursts. Sometimes it is dramatic, and the content of the speech is related to the inner experience, so it is easy to be understood. Psychiatric factors are often evident before the onset of this type. Although denied by the patient, the episodes often appear to others as a way to get out of a difficult situation, to vent repressed emotions, to gain sympathy and attention from others, or to receive support and compensation. Recurrent episodes are often precipitated by recalling and associating events or situations with previous traumatic experiences. According to the clinical characteristics, this type can be divided into the following categories: DSM-III and IV, which are divided into dissociative amnesia, dissociative somnambulism, multiple personality, depersonalization disorder, and atypical dissociative disorder according to their clinical manifestations. Guo Xiaojuan, Department of Rehabilitation, Xi’an Mental Health Center, Dissociative Disorders, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, Dissociative Amnesia, and Dissociative Disorder. Dissociative amnesia, dissociative somnambulism, dissociative agnosia, dissociative trance and possession, dissociative identity disorder (dual personality, alternate personality), others (emotional outbursts, pseudo-dementia, ganser’s syndrome, childlike dementia hysterical psychosis) conversion disorder Mainly manifested as random motor and sensory dysfunction suggesting that the patient may have some kind of neurological or somatic disease but impairing its symptoms and signs Not in line with the anatomical and physiological characteristics of the nervous system and is considered to be the patient’s internal conflicts and aspirations cannot be resolved with the symbolic meaning of the conversion can be the following common types. Movement disorders: limb paralysis, limb tremor, can’t get up can’t walk can’t, mutism, aphonia) spasticity disorders, convulsive grand mal seizures sensory disorders (sensory physical examination neurological examination and laboratory examination can’t find its internal organs and nervous system have corresponding organic deficiencies, sensory allergies, abnormalities, visual disorders, auditory disorders) 1, special forms of manifestation (1) hysterical collective morbidity: also known as Epidemic hysteria: also known as epidemic hysteria, 11 to 15 years old girls are most likely to suffer from the disease, mostly occurring in groups that often live together, such as schools, churches, monasteries or in public places, at first one person appeared to be hysterical episodes around the witnesses of the spirit of the induction of similar symptoms occurring in succession due to a lack of understanding of the nature of the disease in this group often cause widespread tension and fear, under the influence of mutual suggestion and self-suggestion to make the hysterical outbreaks in a short period of time. Epidemic. Most of these hysterical episodes are short-lived and similar in presentation. The patients, especially the first cases, isolated to give symptomatic treatment of the epidemic can be quickly controlled patients are mostly young women nervousness over fatigue sleep deprivation menstruation, as well as performance personality traits are more prone to the onset of the church prayers collectively practicing certain qigong or in the fear of contraction of the epidemic areas or during the formation of the mysterious atmosphere often provides the conditions for the epidemic of hysteria. (2) compensation neurosis: the victim often puts forward financial compensation claims in the process of litigation shows that the retention and exaggeration of symptoms in favor of the victim to claim compensation for the emergence of the symptoms of exaggeration or persistence of the symptoms are generally not by the will of their own domination by the unconscious mechanism of this kind of litigation claim for compensation should be dealt with as soon as possible to strive for a complete solution, do not procrastinate with the psychotherapy in order to promote the elimination of the symptoms. (3) occupational neurosis: this is a class of closely related to the occupation of motor coordination disorders, muscle tension and pain inability to follow the call so that the finger movement is slow and strained or bouncing movements; severe muscle tremor or spasm and can not use the fingers forearm or even the entire upper limb to give up the use of the hand or switch to other manual activities, the movement of the fingers to return to normal such symptoms appear in the writing is called writing spasms are mostly found in easy to nervousness, anxiety, boredom with work or mental health. Most of the people who are easily nervous, anxious, bored with their work or have a heavy mental burden have a slow onset of the disease. Neurological examination does not reveal any organic damage, except for the coordination of finger movements, which can also be manifested as stuttering after intense speech training. (4)hysterical ball: Treatment: psychotherapy-based, suggestion, hypnosis, interpretive, analytical, behavioral therapy, family therapy, drugs: epilepsy and hysteria differentiation: hysteria: psychological factors, variable content, can speak, clear consciousness can be hazy, no incontinence, eyeball avoidance, eyelid impedance, no bites, no falls, minutes and hours, many people in a safe place, no sleep attacks. EEG is normal. Epilepsy: no psychological factors, fixed content, absolutely no speech, loss of consciousness, incontinence, no eyeball avoidance, no eyelid impedance, bites, falls, minutes, no choice of place, sleep seizures possible. EEG abnormalities.