Neurosis, also known as neurosis and psychosis, is a group of non-psychotic functional disorders. The common features are: a group of psychogenic mental disorders, personality factors, psychosocial factors are the main causative factors, but not stress disorders, is a group of functional disorders, the nature of the disorder is functional non-organic; with both mental and physical symptoms; with a certain personality trait basis but not personality disorders; each subtype has its characteristic clinical phase; neurosis is reversible, exacerbated when exogenous stress, and vice versa symptoms The neurosis is reversible and is exacerbated by exogenous stress, but on the contrary, the symptoms are reduced or disappear; social functioning is relatively good and self-knowledge is adequate. Neurosis, also known as neurosis, is a general term for a group of non-psychotic dysfunctions that are deeply distressing and impede psychological or social functioning, but do not have any verifiable organic basis. The course of the disease is mostly prolonged or episodic. Those with a duration of less than 3 months or with only one brief episode are called neurotic reactions.