I. Diagnosis of depression CCMD3 criteria Symptom criteria: predominantly depressed mood with at least 4 of the following Chen Yulong, Department of Gastroenterology, First Affiliated Hospital of Zhengzhou University Loss of interest, no sense of pleasure; loss of energy or fatigue; psychomotor retardation or agitation; low self-esteem, self-blame or guilt; difficulty in association or reduced ability to think; recurrent thoughts of death or suicidal, self-injurious behavior; sleep Disorders, such as insomnia, early awakening or excessive sleep; reduced appetite or significant weight loss; decreased libido. (2) clues of psychological disorders ① long medical history, the whole body is sick (the longer the medical history, the less significant organic lesions may be) ② excessive examination and excessive treatment, there are a large number of examination documents (the more examination is meaningless, the more treatment is inaccurate) ③ bizarre complaints: concern about stool, exhaust, “abdominal lump” trunk asymmetry, throat discomfort. Overly attentive. (4) impatient waiting for consultation, frequent knocking at the door, and distracting behavior. ⑤ Unexplained pain in various areas, ineffective analgesics, multiple surgeries. (6) High sensitivity to gastroscopy and difficulty in entering the scope. (7) Repeatedly asked many times for minor problems, and still cannot remember the answer many times. (8) Husband and wife are separated. ⑨ Bring your own copy of the medical description, lest you miss one (compliance rate > 90%) ⑩ Bitter mouth and dry tongue with thick moss. (not dry and not bitter)