During the postpartum period, the bad dew will usually be finished in about 6 weeks. Dew is mainly formed by the meconium in the uterine cavity as well as blood and other tissues. After delivery, the discharge is heavy and dark red in color, and gradually transitions to plasma discharge and white discharge until it stops. Poor uterine contractions or the presence of placenta or fetal membranes in the uterine cavity may affect uterine contractions, resulting in prolonged discharge and abdominal cramps. When this situation occurs, in the early stage can be given to promote the contraction of the uterus by giving drugs to help discharge, if necessary, you can go to the hospital for the removal of the uterus treatment, so as not to lead to anemia, uterine infection occurs. In addition, women in the menstrual period when there is bad dew, pay attention to appropriate rest, avoid exertion, conducive to the timely discharge of bad dew.