Women can eat betel nut during menstruation. Firstly, betel nut is rich in nutrients, such as polysaccharides, fats, trace elements and vitamins, which can improve the immune function of women during menstruation and prevent women from getting sick during menstruation. Secondly, betel nut also has the effect of moving water and resolving dampness, which can relieve women’s edema caused by water and sodium retention during menstruation. Betel nut also has the effect of lowering Qi, which can relieve the symptoms of abdominal distension and anorexia caused by gastrointestinal disorders during menstruation. It is good for women to eat betel nut in moderation during menstruation, and generally does not cause adverse effects on women’s menstruation, but they should be careful not to eat too much betel nut, which may lead to diarrhea symptoms.