Elderly people can use saffron to soak their feet, but generally does not have much medical value. Generally speaking, the elderly are prone to poor blood circulation in the lower limbs, and are prone to cold feet and other problems in the fall and winter seasons. By soaking the feet, it can promote blood circulation in the lower limbs through warm stimulation, improve the situation of cold feet, and is helpful in the prevention of frostbite. When elderly people soak their feet, they can use water boiled with saffron or water soaked with saffron. However, due to the limited absorption of drugs by the skin, soaking feet with saffron is not effective in absorbing the drug components and does not have much medical value. So if you want to use saffron to treat diseases, it is recommended to be in the traditional Chinese medicine practitioner after identification, prescription prescription, internal use.