A few days after the abortion is clean and there is brown discharge, may be intrauterine blood, intrauterine infection, incomplete abortion and other reasons. 1. intrauterine blood: a few days after the abortion clean and brown discharge, may be the phenomenon of intrauterine blood discharged from the body, generally not more than two weeks, you can temporarily observe, without special treatment. 2. Intrauterine infection: the aseptic operation during abortion is not strict or the postoperative care is not proper, which leads to the invasion of pathogenic bacteria into the uterine cavity, causing secondary infection, due to the stimulation of inflammation, there may be brown discharge a few days after the abortion is clean. 3. Incomplete abortion: the abortion did not completely remove the meconium tissue in the uterine cavity, there are residues in the uterine cavity, blood sludge can not be discharged, but also in the abortion a few days after the clean and brown secretion. There are many reasons why there is brown discharge a few days after the abortion is clean, persistent bleeding is not clean, we should go to the hospital to check the reasons, and targeted treatment.