The benefits of hot water bags on the stomach during menstruation are many, mainly the following points: 1, can play a role in relieving uterine cold, women’s uterine cold will lead to poor menstrual blood flow during menstruation, menstruation, low volume, black color, cold pain in the lower abdomen, prolonged menstruation and other symptoms, hot water bags on the stomach can be a good way to relieve the above symptoms, promote the flow of menstrual blood to reduce the cold pain in the lower abdomen. 2, the gastrointestinal function of patients during menstruation is relatively Weakened, such as basic gastrointestinal diseases and, during menstruation with hot water bags on the stomach can promote gastrointestinal peristalsis, reduce stomach distension and pain to prevent constipation. However, it must be noted that if the patient has more menstrual blood during menstruation, it is best not to often use hot water bags on the stomach, so as not to cause excessive bleeding affect health. During menstruation, it is important to avoid getting cold and keep warm, and to avoid eating cold and spicy foods. During menstruation, pay attention to the hygiene of the vulva, pay attention to rest and avoid strain.