Hospital diagnosis of depression is made through 3 main methods: 1. Detailed psychiatric consultation. This method is mainly through the psychiatrist’s communication with the patient, asking about the medical history and symptoms, as well as the patient’s actions, words, gestures, expressions and other external manifestations in front of the psychiatrist, combined with all the symptoms and signs, medical history information, etc., to confirm the diagnosis of depression or not. 2, psychological testing methods, mainly through psychometric scales, commonly used The patient’s parents may understand the patient’s condition. When the patient is no longer able to describe his or her condition, or even is not talking, not moving, not eating, not drinking, this time must be through the patient’s parents and other people to understand the medical history information. Through the above 3 main methods, it is usually possible to confirm the diagnosis of depression.