Black sugar can relieve dysmenorrhea because it has the effect of warming menstruation and dispersing cold, and can significantly relieve dysmenorrhea after cold or exposure to cold. Black sugar is also rich in iron. If a woman keeps bleeding during menstruation, taking black sugar can prevent anemia caused by blood loss during menstruation. For people with high blood sugar or diabetes, it is not recommended to take black sugar because the main component of black sugar is sugar, which can easily aggravate the damage of pancreatic islet function. Although black sugar is good, it is not recommended for women to take too much of it and should be taken in moderation.