Ways to test yourself for depression: a. You can pass psychological tests, such as the PHQ-9 Depression Screening Scale, and the Depression Self-Rating Scale, or SDS. both scales are relatively simple and easy to use, and patients can diagnose the severity of their depression by answering truthfully according to their situation in the last two weeks. However, it is recommended to go to the psychology department of a regular hospital for testing, not to find test questions on the Internet by yourself, so as to avoid inaccurate test questions. Second, whether the patient is suffering from depression should be made by a specialist doctor, through communication with the patient, observing the patient’s emotional response, as well as thinking activities, and all aspects of cognitive function, to make a comprehensive judgment, not just based on the results of the self-assessment scale can be diagnosed depression.