A small amount of brown discharge can be seen 3-7 days after the cleaning of the uterus, which is a normal phenomenon. If the discharge is not cleared for more than 10 days, it means that there may be residual uterine cavity, poor uterine regeneration, intrauterine infection, etc., which need to be treated accordingly. Common causes and treatment 1, uterine cavity residue: in addition to brown discharge, there is also bleeding amount sometimes more and sometimes less, internal clots, accompanied by paroxysmal abdominal pain and other symptoms, should go to the hospital for ultrasound examination, if there is indeed a small amount of residue, can follow medical advice to use pro-uterine contraction medicine treatment, such as motherwort granules, postpartum by stasis particles, etc., if necessary, clean the uterus again; 2, poor uterine regeneration: there can be a lot of vaginal bleeding, accompanied by back pain and lower abdominal cramps Symptoms, diagnostic scraping should be performed to confirm the diagnosis, treatment can follow medical prescription antibiotics and pro-uterine contraction drugs, such as roxithromycin and misoprostol, etc.; 3, intrauterine infection: there can be brown discharge, odor, abdominal pressure pain, accompanied by fever phenomenon, should be routine blood and cervical smear examination, if there is infection should be actively treated, such as oral motherwort granules plus cefuroxime, metronidazole anti-inflammatory, etc. After the operation, we should ensure sufficient rest and avoid strenuous exercise, such as running and rope skipping; in life, we should pay attention not to drink cold drinks and keep clothes warm to prevent catching cold and flu; eat more nutritious food, such as lean meat, eggs, milk and beans; avoid eating stimulating food, such as chili and wine, to prevent stimulating organ congestion and increasing vaginal blood flow, which is not conducive to recovery.