It is recommended that women take a bath once every 3-7 days, but each bath should not be too long, about 20 minutes can be, in addition to the menstrual period can not take a bath. The bath can promote blood circulation in the body, accelerate the body’s metabolism, remove the dirt on the skin, consume heat, improve the hands and feet due to the cold caused by excessive cold and so on, but also the role of fat reduction and weight loss. The appropriate amount of bath not only can eliminate fatigue, make the body and mind comfortable, relieve tension, improve the quality of human sleep, but also relax muscles, relieve body pain, rheumatic diseases caused by back pain has a certain therapeutic effect. However, the bath water temperature can not be too high, the water level should not be higher than the heart, and do not rub hard, otherwise it will damage the skin. In addition, it is not advisable to take a bath every day, otherwise it will hurt the skin stratum corneum, make the skin more and more dry, itchy; and also can not be in a hungry state or just after eating a meal in the case of taking a bath, it should be carried out in the 1-2 hours after the meal. At the same time, there are postprandial hypotension, hyperammonemia people should not take a hot bath.