Physiological causes of lactation discharges do not need treatment, infection, vaginitis and other causes should be given medication as prescribed by the doctor. 1. Physiological reasons: after the return of menstruation during the breastfeeding period, due to the rise in hormone levels in the body before menstruation, it can increase the secretion of vaginal fluid and cervical mucus, and you can suddenly feel an increase in vaginal secretions, which are thin and odorless, which is a normal physiological phenomenon and does not require special treatment. 2. Pathological causes (1) infection: endometritis, pelvic inflammatory disease, etc., can be manifested as a sudden increase in secretions, purulent and accompanied by odor, may also be accompanied by fever, uterine pressure and pain and other symptoms, combined with the symptoms and routine blood tests can assist in the diagnosis, the need to comply with the instructions given by the doctor to give a sufficient amount of antibiotic treatment and effective, such as cephalosporins and metronidazole. (2) vaginitis: can also cause an increase in vaginal discharge, can also be accompanied by vulvar itching and other symptoms, combined with clinical manifestations and laboratory tests can assist in the diagnosis of trichomonas vaginitis need to follow the doctor’s instructions to give metronidazole and other medications, vulvovaginal pseudo-filamentous yeast disease should be given to the clotrimazole suppositories and other medications. Suddenly feel a lot of secretions during breastfeeding need to go to the hospital to find out the cause, and actively deal with.