Usually think that the best time to soak feet in winter is about 9:00 p.m., soak feet in water temperature of about 40 degrees is appropriate. Winter foot soak can promote blood circulation in the body, speed up the metabolism, which is beneficial to the health of the body. Foot soak can also prevent colds, get rid of the cold, but also to help relieve fatigue, conducive to sleep; at the same time can prevent hypertension, rheumatoid arthritis and other diseases. If you have cold hands and feet in winter, you can effectively relieve them by soaking your feet. The best time to soak your feet is around 9:00 p.m. Soaking your feet at night can relax the nervousness and help you sleep. Secondly, 9:00 p.m. is the time when the kidney meridian is weakened, soaking feet is conducive to promoting blood circulation in the body, with the effect of kidney gas. Foot soak water temperature should be about 40 degrees, the temperature is too high can lead to damage to the skin of the feet, the temperature is too low, it can not achieve the effect. In addition, 1 hour after meals and 2 hours before bedtime is not recommended to soak feet. Attention should be paid to keeping the feet warm after soaking to avoid dampness from entering the body.