Postpartum depression is a common type of puerperal psychiatric syndrome that occurs in women after childbirth and is usually found within six weeks after delivery. The main manifestations are depression, sadness and frustration, and the patient will have low mood, sadness and grief for a long time, which is more severe at night and when falling asleep, and some fatigue. Usually women feel tired after giving birth, but patients with depression may feel that the tiredness is the idea that they have the disease. There is also a loss of appetite, usually because they are not in the mood to eat, sometimes they will overeat to vent their stress, and sometimes they feel guilty and upset because they overeat and are afraid of being obese. In addition, postpartum depression can be characterized by different degrees of insomnia, mainly difficulty falling asleep. In addition, there is also anxiety, because they are afraid that they will not know how to take care of the child, and at the same time, they are afraid that the health of the fetus will be affected, and some of them are more serious, and they may even want to commit suicide.