Postpartum depression of the manifestations of depression are the same, as long as it is in low spirits, lack of pleasure, sadness, crying, worry anxiety, serious loss of self-care and take care of the baby's ability, even in despair, self injury and suicide. Studies show that in the first week after birth, there are 50%--75% women will appear mild depressive symptoms, 10%-15% for postpartum depression, the incidence of depression within one month after birth is 3 times the risk of non delivery women.