In general, foot soak time can be arranged in about 1 hour after the meal. After eating the gastrointestinal peristalsis began digestion, the need for blood supply to be powered, if at this time foot soak will make the blood flow to the gastrointestinal tract to the lower extremities, resulting in insufficient blood supply to the gastrointestinal tract, affecting digestion and absorption, and may cause malnutrition in the long run. If you want to soak your feet after meals, meals should not be too full, you can first carry out a moderate amount of walking to promote the digestion of food. Foot soak can not only improve the whole body circulation, prevent atherosclerosis, but also promote new metabolism, eliminate fatigue, improve sleep. Although the benefits of foot soak, but it is recommended not to soak too long, no more than 30 minutes is appropriate. Foot soak water should not be too hot, generally recommended at 50 ℃ or less, usually for their own comfort temperature. In addition, the foot soak can also be gentle and effective massage of the feet, the effect may be better.