Aunt refers to menstruation, and drinking alcohol is not recommended when menstruation has just left. Menstruation is caused by cyclic shedding of the uterine lining and bleeding, menstruation has just left the lining of the uterus is still in the process of repair, it takes about 3 to 7 days to be completely repaired, during this period of time is prohibited to drink alcohol, if you drink alcohol may lead to the following adverse reactions. 1. Bleeding again: Drinking alcohol just after menstruation due to the alcohol content to stimulate the uterus, may lead to endometrial bleeding again, even bleeding increased, bleeding time prolonged, abdominal pain and so on. 2. Gastrointestinal reactions: Drinking alcohol just after menstruation may stimulate the gastrointestinal tract causing stomach pain, heartburn, bloating and other adverse reactions. 3. Allergic reaction: menstruation just gone due to the body resistance and immunity is in a low state, not completely restore the normal physiological functions, drinking alcohol is also easy to lead to skin allergies, causing skin pimples, itching, burning and so on. In addition, drinking alcohol is harmful to health, it is recommended to avoid drinking alcohol during any period.