The main purpose of using hot towels on the stomach is to promote local blood circulation and accelerate local metabolism through heat circulation, which can promote the absorption of inflammation, or the possibility of slowing down menstrual pain due to accelerating local blood circulation and making menstrual blood flow more smoothly when menstruation occurs. In daily life, if it is not convenient to use hot towels on the stomach, it is recommended that you can use a hot water bag on the lower abdomen, which will have a better effect. In addition, it is recommended that if there is discomfort, do not first blindly compress the lower abdomen, it is best to do the appropriate examination to find out the cause and then decide whether you can use hot water or hot towels on the lower abdomen, because there are some diseases or can not use hot compresses, such as some malignant tumors of the pelvis can not be treated with hot compresses.