For postpartum mothers, the time of blowing needs to be judged according to the recovery status of the patient’s body, and whether it is a normal birth or a cesarean section. Most of the normal normal birth of the mother in a month and a half, the physical condition of good recovery, it is possible to blow. Cesarean section of the maternal due to local damage to the wound, even in the condition of good physical recovery, the blowing time needs to be properly extended, and some can even be in about 2-3 months before blowing. Whether it is the patients of normal birth or cesarean section, if there are patients with poor postpartum repair of the uterus, the body is abnormally weak, puerperal infections and other disease episodes, the blowing time also needs to be properly extended. It is necessary to wait until the patient’s body has fully recovered before blowing, so as not to cause aggravation of the patient’s condition and cause serious damage to the health of the body.