The best time for women to soak their feet is recommended for 1-2 hours after dinner, with each soak lasting about 30 minutes, and about 20 minutes per soak for the elderly population. Foot soaking is good for helping the body to increase heat, make the blood vessels dilate thus promoting blood circulation, relieving the fatigue of the day and promoting sleep. Foot soak can be carried out daily or every other day, but some people need to pay attention to the time of foot soak, because the foot soak will lead to vasodilatation of the lower extremities, people with cardiovascular and cerebrovascular diseases as well as the elderly if the foot soak for too long, there may be sweating, panic and other symptoms of physical discomfort, should pay attention to shorten the time of foot soak. In addition, 1 hour after meals and then foot soak is appropriate, not immediately after meals, after meals because the stomach needs to digest food, if the blood flow to the lower extremities, long-term will lead to indigestion. It should be noted that the foot soak is not blowing wind, the temperature of the foot soak usually causes the whole body to sweat, attention should be paid to avoid the wind, otherwise it can cause colds, back and leg pain and other diseases.