Normal menstruation time is within 7 days will be clean, if more than 7 days still does not clean, must identify the cause for treatment, drinking brown sugar water is not very effective. Brown sugar has the effect of activating blood circulation and eliminating blood stasis, and there is a possibility that the bleeding time will be prolonged. So this situation must go to the hospital for an ultrasound examination, because fibroids, endometrial polyps, atypical hyperplasia of the endometrium and endocrine disorders may appear unclean menstrual drag, that is, there will be a prolonged menstrual period, to be treated with drugs according to the specific cause. If it is caused by tumor, surgery is needed. If it is caused by endocrine disorder, menstrual regulation and ovulation promotion treatment is needed.