Depressive bulimia is an eating disorder that belongs to the psychiatry department. The cause of the disorder is still unclear and may be related to genetic predisposition and psychological stress. The main clinical characteristic is the emergence of periodic binge eating behavior, which can be self-tested according to the following specific behavioral manifestations, corresponding to their own actual situation: 1. Great desire to eat: the attack will produce an irresistible desire to eat, feeling unable to control the idea of eating; 2. Fast and large amount of eating: eating quickly, eating a large amount of food in a fixed period of time (usually within 2 hours) beyond the normal amount. Patients often eat until they feel uncomfortable, and often choose to eat alone for fear of embarrassment or shyness, and feel pain and shame after eating; 3, unable to compensate: after eating, there are usually behaviors that cannot be compensated, such as self-induced vomiting, laxative abuse, intermittent eating, excessive exercise, etc.; 4, physical symptoms: physical symptoms of depressive bulimia can be manifested as obesity, hypertension, hypertriglyceridemia, elevated fasting glucose and metabolic syndrome. In severe cases, there can be water and electrolytic metabolic disorders, manifesting as low potassium and low sodium in circulation. Vomiting leads to metabolic alkalosis with a reduction in gastric acid, and diarrhea leads to metabolic acidosis; 5. Psychiatric symptoms: patients may experience depression, anxiety, and even suicidal ideation in some patients, as well as a combination of hyperactive attention deficit disorder and other manifestations. If the above symptoms appear, you should go to the hospital in time to seek treatment under the guidance of professional doctors. The principles of treatment are to improve psychological perception, reduce overeating behavior and reduce weight.