You can often soak your feet with pepper. Generally, the water temperature for soaking feet is 43℃, or you can heat water while soaking feet. However, I suggest that you do not soak your feet for more than 40 minutes, and it is better to lock your feet for 30 minutes. If you are an elderly person, you can soak for 20 minutes. The best time to soak your feet is 9 pm, which is the best time to tonify the kidney, but it is also suitable before going to bed. But old people need to soak their feet 20 minutes before going to bed, which is a little different from young people.

Don't soak your feet after meals or when you are hungry, because soaking your feet will speed up blood circulation. If you are too hungry or full, you will feel dizzy. It is not advisable to soak your feet for half an hour after a meal. People with heart disease or low blood pressure should pay special attention to the water temperature and foot soaking time. Diabetic people need someone to take care of their feet, because they are insensitive to temperature, too hot or too cold to feel, so they may burn or soak their feet for a long time, which is extremely unfavorable to them.

Similarly, the newborn's feet should not be soaked, just wipe the body, because it is easy to get hot, soaking feet is easy to sweat, and it is not suitable or necessary to soak feet.