Psychosis can manifest itself in certain ways through external behaviors, such as gestural movements, speech and mannerisms, and expressions. The characteristics of psychosis do not necessarily manifest themselves at all times, and can be influenced by a variety of factors, including the individual and the environment. When severe or multiple features are present, medical assistance needs to be actively sought and a diagnosis can be made only after medical examination, combined with clinical symptoms. The characteristics of general psychiatric disorders mainly include: 1, sensory perception disorder: including hypoesthesia, sensory hypersensitivity, internal sensory discomfort, referring to reduced or hyper-perception of external or internal stimuli, or the emergence of illusions and hallucinations; 2, thought disorders: may be thought form disorders and thought content disorders, manifested as thinking association too fast or too slow, incoherent thinking, interrupted thinking, delusions, etc.; 3, attention Disorders of attention: manifested as excessive attention to certain things, or the inability to focus, or constantly shift attention or the current can only pay attention to a small thing and other changes; 4, memory disorders: such as suddenly remember what has been forgotten, or sudden memory loss, or even abnormal memory of the past, or manifested as fiction and false memory; 5, intellectual disorders: there are two kinds of intellectual developmental disorders and dementia, intellectual disorders are generally congenital underdevelopment, dementia for brain atrophy or trauma resulting in decreased understanding, judgment; 6, disorientation: inadequate cognition of time, place, task and their own state, such as wearing cotton clothes in summer, sleeping during the day, and abnormal activities at night; 7, emotional disorders: including emotional high, low mood, emotional indifference, anxiety, inexplicable fear, easily provoked, etc., when the sudden occurrence of emotional abnormalities, should Alert to the possibility of psychosis; 8, willpower disorders: manifested as a sudden stubborn to do a certain thing, or a sudden lack of aggressiveness, and sometimes even two emotions at the same time; 9, movement behavior disorders: behavior, language, thinking, emotion highly consistent or highly uncoordinated may be behavior disorders, movement disorders are a significant reduction in physical activity, do not speak, do not move, do not eat and drink, etc.; or constantly imitate and repeat some Strange behavior; 10. Disorders of consciousness: the patient’s ability to perceive the surrounding environment and their own state is impaired, mainly divided into decreased wakefulness and changes in the content of consciousness. It can be manifested as coma, drowsiness, change of consciousness content, blurred consciousness and other symptoms. There are many types of psychiatric disorders, and there are certain differences in the manifestations of symptoms, which may not be limited to the above symptoms, so timely medical consultation is also needed to distinguish them. In addition, family members and close friends should give psychological and physical support to the patient and tolerate the patient to help the disease regression.