You can drink hot milk to lose weight during menstruation. Milk contains a lot of protein, which can provide people with more nutrition. Eating coarse grains during menstruation also has the effect of losing weight. Coarse grains contain a lot of crude fiber, which is beneficial to smooth stool and achieve weight loss. During menstruation, the metabolic rate of the body is obviously accelerated, and you can lose weight in a planned and step-by-step manner.