Nowadays, movies and TV often show some pregnant women who have different reactions after giving birth, such as crying every day and not paying special attention to their children, this kind of emotion may be postpartum depression. Postpartum depression is mainly related to postpartum endocrine changes; secondly, it is still related to psychological. When the child is very young, there will be some worries about how to feed the child badly, so under such physical and psychological effects, it is easy to give birth to postpartum depression. Most patients with postpartum depression may have anxious and depressed personality traits before giving birth, so they will have some excessive worries and unhappy emotions after giving birth. Some patients who are severely depressed also feel that there is no point in living, so they see their children and think about what to do in the future. Feeling that it is more difficult for them to live socially and live, they think that their children will also have difficulties. Some mothers with postpartum depression have not only the idea of suicide and self-injury, but also the idea of extended suicide. So some mothers with postpartum depression will also hurt their children, thinking that the child relieves them of this painful scenario. So in this case, maternal depression must now be taken seriously, otherwise there may be very serious problems.