Steaming feet is a very popular method to treat diseases in recent years, especially rheumatism, arthritis, insomnia and other symptoms of middle-aged and elderly people. Its principle is to put the feet of human body into a closed container, so that the blood in the body, especially the feet, can flow quickly through high temperature, which has the function of treating diseases and strengthening the body. Steamed feet are not suitable for high temperature, because too high temperature can easily lead to excessive sweating and rapid heartbeat. Therefore, when steaming feet, it is recommended to add more water and adjust it to the most suitable temperature.