Drinking black sugar and brown sugar during menstruation is better, black sugar belongs to a kind of brown sugar. Just brown sugar decoction time is longer than brown sugar, the color is darker than brown sugar, the smell is more burnt than brown sugar, brown sugar contains relatively higher iron. But the effect of both is basically the same, both can play the effect of energy. Whether it is brown sugar or brown sugar, it should be consumed in moderation during menstruation. Excessive consumption of brown sugar water and brown sugar water may lead to increased menstrual flow. At the same time, it is not recommended to do strenuous exercise or overwork during menstruation, in addition to a slightly lighter diet. If the patient has excessive menstrual blood and prolonged menstrual period, it is recommended to go to the gynecology department of the regular hospital for examination in time.