Washing feet with cold water often is harmful to health. According to the research of relevant medical experts, human feet are the farthest parts of blood vessel branches, with thin fat and poor thermal insulation. Under normal circumstances, the skin temperature of the sole of the foot is the lowest in the whole body. If you often wash your feet with cold water in summer, your feet will catch cold, and then vascular conduction will cause a series of complex pathological reactions, which will eventually lead to various diseases. When you are particularly tired or suffering from coronary heart disease, hypertension, rheumatism, asthma and other diseases, you should not wash your feet with cold water. Because the sweat glands on the soles of the feet are developed, washing feet with cold water will suddenly close the pores, which will lead to slow perspiration function over time. It can also lead to vasodilation dysfunction and induce arterial spasm, arthritis and rheumatism in limbs. Don't wash your feet with cold water immediately after going home for exercise, at least rest for 10 minutes; When swimming, the water is cold, and some preparatory activities should be done before entering the water; Menstrual women should also be avoided.

Instead, you should soak your feet in hot water for a long time. Soaking your feet with hot water can not only relieve fatigue, but also help you sleep. At the same time, adding traditional Chinese medicine to water can also play other roles. Soaking feet with hot water can improve local blood circulation, dispel cold, promote metabolism, and finally achieve the purpose of health care. Soaking feet with proper Chinese medicine also has a certain effect on beriberi.