One is that psychiatrists interview patients, that is, mental examination, to understand the psychological state and mental state of patients through conversation and make some differential diagnosis. For example, depression or schizophrenia, or general psychological problems, or no disease.

Another way is to do psychological tests or clinical scales to see if people are depressed, schizophrenic, depressed and so on.

Compare the results of psychiatric examination with psychological scale, make a comprehensive evaluation, and finally draw a conclusion about the patient's situation, how serious it is, and what treatment method to take.

Common methods of psychological evaluation:

Experimental method. Psychological assessment: refers to a general term for comprehensively, systematically and deeply analyzing the psychological phenomena of individuals or groups under the guidance of biological, psychological, social and medical models, and by using the methods of conversation, observation and testing.