One month after cesarean section, it is not normal to still have bad dew, if one month after cesarean section, first of all, we should consider that it is caused by poor recovery of the uterus, you can go to the hospital to carry out relevant examinations to clarify the recovery of the uterus, if necessary, you can use motherwort and other medicines to carry out the treatment, three weeks after the cesarean section, the bad dew inside the uterus will be able to be discharged all the way out. Secondly, if there is something dirty left in the uterus, there may also be postoperative infection, which will make the discharge not clean, you must go to the hospital for ultrasound examination, and if necessary, you can use antibiotic drugs for treatment. Postpartum discharge is a normal detoxification phenomenon, during this period must pay attention to rest, drink more water as well as eat more fresh fruits and vegetables, vitamin C supplementation to promote uterine recovery, if there is a problem must be taken seriously.