The advantage of the bath is that in the process of bathing, because of increased blood flow, can relieve fatigue, including mental or physical fatigue will be relieved relatively quickly. But the bad thing is that the process of bathing will make the blood volume increase, if they have some cardiovascular disease, especially patients with poor heart function, will make the burden on the heart increased, may not be able to bear, will cause some problems, so people with poor heart function is recommended not to take a bath. In addition, the chance of falling out of the bath tub is also significantly greater than the shower, so the elderly, people with mobility problems must be especially careful of falls. For the skin, the bath will increase local blood circulation, is good for the skin, can remove keratinization, but must be used after the bath moisturizer, otherwise the loss of the protective layer of the skin surface, the elderly are prone to itchy skin problems, some skin diseases like psoriasis, ichthyosis through the bath will have some improvement.