Aguirrex Nourishing Blood Syrup should not be drunk during menstruation. It should not be drunk during menstruation because drinking it during menstruation may cause an increase in menstrual flow and create the possibility of anemia. Also during menstruation you should not drink Colla Corii Asini or eat jujube or ginseng, all of which may cause an increase in menstrual flow. In the menstrual period must pay attention to keep warm, you can drink a cup of hot brown sugar ginger water every day, have the effect of driving cold and warming the uterus, and have the effect of replenishing blood, but also can eliminate the fatigue of menstruation. It is also recommended to keep the vulva clean during menstruation and change sanitary napkins frequently to avoid pathogenic bacteria infection. It is best to use cotton sanitary napkins with good local ventilation, and avoid using mesh sanitary napkins, which cause poor local ventilation and bacterial infection.