2. Foods rich in vitamin C, such as tomatoes, have the function of nourishing blood vessels and skin. When eaten during menstruation, it can whiten and dilute pigmentation, and the citric acid contained in it can stimulate the secretion of gastric juice and enhance appetite. Menstrual diet is light, don't eat spicy and irritating food, drink more hot water, don't eat cold and raw food, eat more foods containing more cellulose, and keep the stool unobstructed.