Bad smelling discharge is not recommended for breastfeeding, it is recommended to consult a doctor to treat the infection in the uterine cavity in time, and some antibiotics are not allowed for breastfeeding. After the postpartum appearance of bad dew about 3~4 weeks, the emergence of the odor is caused by intrauterine infection, need to timely treatment of inflammation and infection, generally do not recommend breastfeeding. For example, common gynecological infections include vaginitis, cervicitis and endometritis. Good results can be achieved by actively treating the symptoms, such as taking antibiotics. It is crucial to prevent further aggravation of the condition. Antibiotics can use penicillin, quinolones, etc., first for sterilization and anti-inflammatory, some antibiotics can not breastfeeding, need to wait until the inflammation treatment is healed before breastfeeding. If there is a foul-smelling discharge after delivery, you need to be examined and treated first. You need to go to a regular medical institution to avoid complications.