Depression is divided into different types according to severity, whether it is accompanied by psychotic symptoms, number of episodes, and whether it is accompanied by somatic symptoms, as follows: 1. Severity: it can be divided into mild depression, moderate depression, and major depression. 2. Whether it is accompanied by psychotic symptoms: it can be divided into depression with psychotic symptoms and depression without psychotic symptoms. 3. 4.Whether it is accompanied by somatic symptoms: It can be divided into depression with somatic symptoms and depression without somatic symptoms. If there is depressed mood, fatigue, decreased interest, lack of pleasure, etc., you need to be alert to whether you are suffering from depression, and should promptly go to the psychiatric outpatient clinic of a psychiatric hospital.