Psychological disorders are various abnormal mental processes, abnormal personality traits of abnormal behavioral patterns that are caused by a person’s physiological, psychological or social reasons, and are manifested by a person’s inability to act in a socially acceptable and appropriate manner, so that the consequences of his or her behavior are inappropriate for both himself or herself and society. So generally speaking, what are the manifestations of serious psychological disorders? 1, the initial performance personality change, such as the original lively and cheerful, hospitable people, suddenly become cold to people, and people distant, withdrawn from the group, lazy life, undisciplined. There is no longer the usual passion for anything. Some people have emotional disorders: they become emotionally indifferent, indifferent to their loved ones, uninterested in the things around them, their temper starts to become irritable, they often lose their temper over trivial matters, and they may laugh or cry for no apparent reason. Some behave strangely: Behavior starts to become strange. They like to drift off and keep to themselves, and it is difficult for them to communicate with ordinary people. There are also signs of sensitivity and suspicion: the person is sensitive to everything and attaches everything around him or her to himself or herself. He thinks that others are talking about him, does not eat or drink, thinks that someone is trying to harm him, and sometimes even shows symptoms of hallucinations and hallucinations. Of course, the most common is sleep disorder: gradually or suddenly become difficult to fall asleep, even if fall asleep, easy to wake up or sleep not deep, all night insomnia and dreamy or too much sleep. 2, common symptoms (1) sensory disorders include sensory hypersensitivity, hypoesthesia, inversion, endosensory deficit, etc. (2) Perceptual disorders include delusion, misperception, hallucination and perception syndrome. (3) Thinking disorders include running thinking, sluggishness, poverty, laxity, pathological redundancy, incoherent thinking, interruptions, clouding, symbolic thinking. Logical backward thinking, sophomoric thinking, continuous repetitive imitation, stereotyped speech, and delusions of thought, delusions of interpretation, and delusions of image. Thought insertion, etc. (4) Attention disorders include active attention disorder and passive attention disorder. (5) Memory disorders include memory enhancement, decompensation, amnesia, misconstruction, fiction, latent memory and déjà vu. (6) Intelligent disorders are divided into congenital low intelligence and acquired dementia. (7) Emotional disorders include the experience and expression of joy, anger, sorrow, happiness, love, hate, sadness and worry. Common emotional disorders: emotional high, euphoria, low, anxiety, vulnerability, agitation, retardation, indifference, inversion, terror, ambivalence, etc. (8) Will behavior disorders include will enhancement, decompensation, lack of will, inversion, contradiction, rigidity, disobedience, and action stereotypes, imitation, posturing and behavioral oddities.