It is not allowed to drink during menstruation, including beer, white wine, red wine and other kinds of drinks containing alcohol. 1. alcohol has the effect of expanding blood vessels and activating blood stasis, drinking beer during menstruation, through the action of alcohol, can easily lead to an increase in the amount of menstrual blood and prolonged menstrual periods. 2. drinking during menstruation causes or aggravates lower limb edema during menstruation. 3. during menstruation, due to the accelerated blood circulation in the pelvic tissues and organs. The blood supply to the liver, kidneys and other internal organs is correspondingly reduced, making the detoxification function of the liver weakened, and the metabolic process of alcohol in the liver after drinking will increase the burden on the liver and easily lead to liver function damage. 4. Menstruating women are prone to poor sleep and difficulty sleeping due to chronic blood loss, and the symptoms of insomnia will be aggravated after drinking because of the excitatory effect of alcohol on the central nervous system.