2. Soaking feet is an activity with health care function. The benefits of soaking feet are as follows. Soaking feet with hot water can dilate blood vessels in feet and promote blood circulation in feet and whole body. Soaking feet with hot water can make the local blood of feet sufficient, thus improving the discomfort symptoms such as cold hands and feet. Soaking feet with hot water can promote metabolism, make people relax and relieve fatigue, thus improving sleep quality.