Usually soak feet with pepper water or directly drink pepper water can get rid of cold and dampness, it is recommended to soak feet with pepper water, the effect is better. But the specific effect time can not be generalized, and personal constitution, it is recommended for long-term use, there is a very good health effect. Pepper taste pungent and warm, belong to the big pungent hot things, pungent can dispel damp, heat can warm the cold damp, so internal or external use of pepper water can effectively get rid of dampness. It is suitable for people with a deficient cold constitution, patients often show fear of cold, cold extremities, etc.. Dampness can be effective in a short week for those with light dampness, but if the dampness is heavy, long-term application is recommended. However, the period is not suitable for the body with intermingled yin deficiency and dry heat, which is manifested as heart trouble, dry mouth and throat, easy irritability, love of sweating, heat in the heart of the hands and feet, etc. In addition, pregnant women, menstruating women, as well as diabetics and those with broken and ulcerated skin are also not recommended. It should be noted that the use of pepper water soaking feet when the water temperature should not be too high, can make the body tolerable. In addition, the length of each soak for about 15 minutes, the water level should be not over the ankle, to the body slightly sweating is good.