Ginger rubbed feet can only play a local skin stimulation, ginger is a pungent warm drugs, ginger juice on the skin has a stimulating effect, in the skin surface by ginger stimulation, the local capillaries can be dilated, accelerated local blood circulation, that’s all. There is an acupuncture point on the bottom of the foot called Yongquan point, which is the well point of the kidney meridian, Yongquan point can treat headache, can treat urinary incontinence, can regulate the nerve meridian qi, usually with moxibustion or with acupuncture, can also be used to save the emergency. However, just using ginger to externally apply the heart of the foot does not have much effect, only the ginger itself has a dilating effect on the local blood vessels, increasing the local blood flow, it will not play the role of returning the sun to save the reverse, play the role of treating the top of the headache, regulating the function of urination.