Depression is a type of mood disorder in which patients often feel depressed and lose interest and motivation in most things. In terms of physiology, there will also be significant changes in appetite and weight, and the patient will become tired more easily than before. In severe cases, there will be a tendency to commit suicide. However, with early treatment and counseling, depression can be controlled. Having a correct understanding of this disease is the first step towards recovery. Please answer the questionnaire questions based on your experience.