Foot soaking is a common health care method, there are also certain precautions, the water temperature should not be too high, the time should also be controlled, usually 20-30 minutes is more appropriate, beneficial to the body. According to the theory of Chinese medicine, the bottom of the foot has a lot of acupuncture points connected to the body, through the foot soak to a certain degree of stimulation of these points, you can achieve the role of health care, such as relieving physical fatigue, preventing and assisting in the treatment of disease. If the foot soak time is too short may not be able to give full play to the health effects of foot soak should be, if the foot soak time is too long, the local stimulation is too long, in fact, is not appropriate, the foot blood vessels for a long time to expand is also not conducive to health, and sometimes cause local edema, the skin for a long time in the water is also prone to impregnation and over-hydration and lead to peeling. We should pay attention to avoid fasting feet, because the body consumes a lot of heat in the process of soaking feet, so as not to trigger low blood sugar and hypoglycemic shock. Avoid foot soaking immediately after meals, hindering the digestion and absorption of food. The temperature of the water when soaking feet should not be too high, so as not to burn the skin.