Hot water foot soak time is not easy too long, generally in about 20 minutes, preferably not more than half an hour. Foot soaking is an activity with health care and wellness functions, the benefits of foot soaking are the following, hot water foot soaking can expand the blood vessels in the feet, promote blood circulation in the feet and the whole body. Some patients have poor peripheral circulation in the hands and feet, hot water foot soak can make the feet local blood adequate, thus improving the cold hands and feet and other uncomfortable symptoms. Hot water foot soak can promote metabolism, relax the spirit, relieve fatigue, thereby improving the quality of sleep. Hot water foot soak can effectively soothe the nerves in the feet, for some people with bad legs and feet, can play the role of massage and conditioning. Therefore, adhere to the hot water foot soak is beneficial to health. But too hot water soaking feet, expansion of foot blood vessels, accelerating the flow of blood in the foot, increasing the risk of cardiovascular disease. Therefore, the time of hot water foot soak should not be too long. Hot water foot soak should pay attention to avoid foot soak when fasting, because the body consumes a lot of heat in the process of foot soak, and in the glycogen stores are less prone to hypoglycemic shock because of low blood sugar.