If the patient has a history of sexual intercourse, the first thing to rule out is pregnancy, for example, if the patient has a pre-eclampsia, an ectopic pregnancy or a biochemical pregnancy, there will be menstrual dribbling and abnormal vaginal bleeding.2 If the patient has endometrial lesions, such as endometrial polyps, there will be menstrual dribbling and brownish secretion.3 If the patient has keloidal diverticulum, there will be menstrual dribbling.4 If the patient has menstrual disorders, such as luteal atrophy, there will be menstrual dribbling.5 The patient may have a dark brown secretion. If the patient has a diverticulum of the uterine scar, there will also be dribbling menstruation.4. If the patient has a menstrual disorder, such as luteal atrophy, there will also be dribbling menstruation. For patients with irregular menstruation and dark brown discharge, they need to go to the gynecology clinic as soon as possible for examination and clear diagnosis as well as the next treatment plan, so as to avoid delaying the condition.