Brown discharge after menstruation may be a normal physiological phenomenon without treatment, or it may be caused by insufficient estrogen secretion, endometritis and other diseases, which can be treated by supplemental estrogen and oral antibiotics for anti-inflammatory treatment, and need to be analyzed specifically. 1. No treatment is needed: the last few days of menstruation have less bleeding, and a small amount of menstrual blood is acidified in the vagina, so brown discharge appears. 2. Supplementary estrogen: estrogen in the body makes the endometrium repair as soon as possible, so the vaginal bleeding stops. When there is not enough estrogen, the endometrium can not be repaired as soon as possible, so there will be brown discharge even after menstruation. You can take oral medicines such as estradiol valerate and combined preparation of progesterone under doctor’s instruction. 3. Oral antibiotics: endometritis is caused by chronic inflammation stimulation caused by upward infection, menstrual black color is the most common symptom of this disease, so after menstruation will appear brown discharge. You can take oral cephalosporin antibiotics for anti-inflammatory treatment under doctor’s guidance. If a woman has brown discharge after menstruation, it is recommended to go to the hospital for examination to clarify the cause of the brown discharge, and under the guidance of the doctor for treatment.