1.Common manifestations The core symptoms are unusually happy, relaxed, carefree, smiling, cheerful, no difficult things (emotional high), some people show a little thing or a little not at random to lose their temper (irritable), in serious irritable situation may appear impulsive behavior. The patient himself feels that his brain has become very sensitive, intelligent and responsive. The patient feels good about himself, exaggerates his ability, wealth and status, and thinks he has the ability to do great things and earn big money (exaggerated delusion). The patient is active, social, nosy, wants to do great things, wants to do many things, and is constantly busy green (willful behavior is enhanced). The patient is very energetic, needs less sleep, and does not know how to get tired. The person is easily absorbed by what is happening around him or her and shifts his or her attention (shifts with the situation), is overly optimistic about the end, acts rashly, and does not care about the consequences. Spending money, seeking pleasure and spending money freely. Conflict with the surrounding area and impulsive behavior. Increased sexual desire and reckless sexual behavior. In the manic state, the patient feels good about himself and usually has no ability to recognize his own condition, i.e., no self-awareness of his disease. High emotion or irritability is the characteristic expression of the manic state, accompanied by the enhancement of thinking and volitional behavior. It is manifested as coordinated psychomotor excitement, that is, the coordination between emotion, inner experience and volitional behavior, and the coordination with the surrounding environment. In severe cases, the symptoms of incoordination, disorganized speech, disorganized behavior, hallucinations, delusions and other psychotic symptoms may be manifested. 2.Characteristics of disease course and typical performance Early age of onset, mostly before 45 years old, the first manic episode mostly occurs in youth, the onset of the disease is more urgent, can develop to the disease state within a few days. Adult-onset patients need to be carefully asked whether there is atypical, mild and transient depression in the past, if there is, it should be diagnosed as bipolar disorder. Typical episode presentation: an episodic course with normal intervals, prone to recurrent episodes. Manic episodes are characterized by high emotion, increased speech, and increased activity, i.e., coordinated psychomotor excitement 3. Disease hazards Manic disorder, if left untreated, is prone to recurrent episodes, and long-term recurrent episodes lead to chronicity of the disease, personality changes, and impaired social functioning of the patient. Due to the influence of pre-morbid personality and disease symptoms, patients have a high incidence of alcohol dependence, substance abuse and drug dependence. In the manic state, due to irritability, weak impulse control, impaired judgment and irrational behavior, there is a possibility of reckless behavior, disregard for consequences, random spending, blind investment, reckless dating, reckless sexual behavior, injury and destruction. Therefore, once the manic state is diagnosed, active treatment is required to avoid adverse consequences.