The diagnosis of major depressive episode needs to have more than 5 of the following 9 symptoms, and show different changes from the previous functions, of which at least 1 is depression or loss of interest and pleasure. Symptoms last for more than 2 weeks, which is harmful to social and professional functions. These symptoms are not caused by the use of substances or the direct physiological influence of physical conditions.

(1) I feel depressed almost every day or most of the time.

(2) Almost every day, most of the time, I am not interested in all or almost all activities, or my pleasure is obviously reduced.

(3) the body weight is obviously decreased or increased; Or almost every day, the appetite decreases or increases.

(4) Insomnia or excessive sleep almost every day.

(5) Mental retardation or agitation occurs almost every day.

(6) Feel tired or lack of energy almost every day.

(7) I feel worthless almost every day, or feel inappropriate or excessively guilty.

(8) Almost every day, my thinking ability or concentration drops, or I hesitate.

(9) The idea of wanting to die appears repeatedly, but there is no specific plan, or attempted suicide, or a specific suicide plan.

The psychiatric department of a regular third-class hospital can do it.