Adjustment disorders are caused by the presence of a chronic stressor or difficult situation, combined with certain personality deficits, resulting in predominantly emotional disorders such as worry and depression, as well as maladaptive behavioral or physical dysfunction and impaired social functioning. The duration of the illness is often long, but generally does not exceed 6 months. The onset is usually within 1 month of the stressful event or life change. With the passage of time, the stimulus is eliminated or a new adaptation is formed after adjustment, and the mental disorder is relieved. I. Symptom criteria: 1. There is an obvious life event as the cause, especially the change of life environment or social status (such as immigration, leaving the country, joining the military, retirement, etc.); 2. It is reasonable to infer that both the life event and personality basis play an important role in causing the mental disorder; 3. The emotional symptoms such as apprehension, worry, depression, anxiety, fear, and at least one of the following: (1) maladaptive behavior disorder (1) maladaptive behavioral disorders, such as withdrawal, lack of hygiene, irregular life, etc.; (2) and physical dysfunction, such as poor sleep, loss of appetite, etc. (4) The presence of various symptoms seen in affective mental disorders (excluding delusions and hallucinations), neurosis, stress disorders, somatoform disorders, or conduct disorders, but do not meet the diagnostic criteria for the above disorders. Second, severity criteria: impaired social function. Third, the course of the disease criteria: mental disorder began within 1 month after the occurrence of psychosocial stimuli (but not catastrophic or unusual), meeting the symptom criteria has been at least 1 month. After the elimination of stress factors, the symptoms generally last for no more than 6 months. Exclusion criteria: Exclude affective mental disorders, stress disorders, neuroses, somatoform disorders, and conduct disorders. The prominent symptoms of adjustment disorder are indicated by the 4th code: Short-term depressive reaction 1, meeting the diagnostic criteria of adjustment disorder; 2, depression-oriented mental disorder starts within 1 month after the occurrence of psychosocial stimuli (but not catastrophic or unusual), meeting the symptom criteria for less than 1 month. Depressive reactions in the medium term 1. Meet the diagnostic criteria for adjustment disorder; 2. Depression-oriented mental disorder begins within 1 month after the onset of psychosocial stimuli (but not catastrophic or unusual), and meets the symptom criteria for at least 1 month, but lasts less than 6 months. Long-term depressive reactions 1. meet the diagnostic criteria for adjustment disorders; 2. depression-oriented mental disorders begin within 1 month after the onset of psychosocial stimuli (but not catastrophic or unusual), meet the symptom criteria for at least 6 months, but last less than 2 years. Adaptation disorder with a predominantly other severe state of mind 1. meeting the diagnostic criteria for adaptation disorder; 2. the main symptom is a severe mood other than depression, such as anxiety, worry, tension, and anger; 3. excluding other specific diagnoses with anxiety or depression as the main symptom. Mixed anxiety-depression reactions 1, meet the diagnostic criteria of adjustment disorder; 2, the main symptom is mixed anxiety-depression mood disorder. The main symptom is conduct disorder or behavioral problem, such as aggression or antisocial behavior caused by sadness reaction, etc. The main symptom is a mixed state of bad mood and conduct disorder.