The general health of the population after eating a bath on the body does not have a significant impact, but low blood pressure or the elderly is not recommended to take a bath immediately after meals, so as not to cause discomfort. Immediately after eating a bath, the brain is in a relatively ischemic state, the water vapor in the bathroom may cause an anoxic environment, making it easy for people to appear dizziness, headache, breathing difficulties and other symptoms of oxygen deprivation. Especially the weaker older people are more likely to fall and other accidents. In addition, for the lower blood pressure of the crowd is not recommended to take a bath immediately after meals, because the bath time the body’s blood vessels in the expansion of the state, the peripheral circulation of blood vessels are full, at this time the heart and the brain at the sharp decrease in the blood flow, will aggravate the burden on the heart and brain system, and cause discomfort. If serious physical discomfort occurs after bathing, it is recommended to consult a doctor in time for appropriate treatment.