One month after the cesarean section, there are still bloody discharge, clinically, it may be caused by the following reasons: 1, poor healing of the incision will be manifested in the prolongation of bloody discharge, it is recommended to actively do ultrasound examination, to understand the healing of the incision on the uterus, and if necessary, you can use oxytocin intramuscular injections, to promote the uterine contraction, so that the incision healed as soon as possible. And it is also recommended to strengthen the nutrition in the diet, eat more food containing protein, eat more food to replenish blood, and it is also recommended to supplement vitamins, which is conducive to the incision to heal as soon as possible. 2, it may be caused by poor uterine regeneration, in addition to pay attention to the diet, but also oral motherwort capsules, so that the uterus as soon as possible to recover, discharging the stagnation of blood. 3, it may be caused by infections, often accompanied by lower abdominal pain, according to the specific situation of the timely treatment of the vagina, so that the vagina will be able to heal as soon as possible. The patient should be treated according to the specific situation, so as to shorten the time of vaginal bleeding and make the vaginal bleeding clean as soon as possible.