During menstruation, menstrual blood flows out and the body’s resistance drops, so it is not suitable for dieting to lose weight. You can eat more high-fiber foods with good weight loss effects, such as fruits, vegetables, whole grains, whole wheat pasta, oats and other foods. Consuming enough high fiber food can promote hormone discharge, increase the level of magnesium in the blood, which can adjust menstruation, as well as sedative and tranquilizing effect. During menstruation, you should choose fruits that are warm and not cold to eat, do not choose hot and dry fruits, so as not to cause excessive menstrual blood. Bananas are very low in fat and filling, and can be used for weight loss during menstruation. Fresh tomatoes can be diuretic and reduce water retention, the effect is also very good, papaya and apples are good choices.