Early pregnancy discharged a pile of brown mucous membrane may be the uterine cavity meconium tissue outflow of physiological reasons, may also be a pre-eclampsia, gravida, ectopic pregnancy and other pathological reasons, need to be specifically analyzed. 1. Physiological reasons: when the fertilized egg is deposited, it leads to a small amount of endothelial exfoliation, which can also be manifested as brown mucous membrane discharged from the vagina. 2. Pathological causes: if there is a preeclampsia, gravidarium, ectopic pregnancy, etc., the gestational sac from the uterine wall of the uterus a little peeling, the peeling surface may appear bleeding, manifested in the vaginal discharge of brown mucous membrane. In ectopic pregnancy, the endometrium may show metaplasia-like changes due to increased HCG levels, and vaginal bleeding may manifest as vaginal discharge of brown mucous membrane. Early pregnancy discharged a pile of brown mucous membrane may also be other reasons, it is recommended to go to the hospital for ultrasound, blood tests and other tests to clarify the cause of the disease and then treat the symptoms.