1, bathing can promote blood circulation, and the warming effect of bathing can dilate human blood vessels and accelerate blood flow, thus promoting blood circulation throughout the body. The warm effect of bathing can also stimulate the secretion of human hormones, improve the body's metabolic capacity, and let toxins be better excreted.

2, pay attention to the bath temperature should not exceed 40℃, for infants, the elderly, the weak and chronic patients such as hypertension, arteriosclerosis, coronary heart disease, it is very dangerous to take a bath with high water temperature. In addition, the bathing time depends on the water temperature. Hot water above 40℃ cannot be soaked for a long time, but it can be soaked for 20-30 minutes at 37-39℃ and 10 minute at 40℃.