When you have a fever, if you use ginger to rub the heart of the feet for treatment, the main role is to drive away the body’s cold, is due to the fever caused by cold will be more effective. Ginger has the effect of blood circulation, belongs to the hot food, when rubbing the heart of the feet can promote blood circulation in the body, so as to drive away the body’s cold, for the fever caused by cold effect is better. In addition, after promoting blood circulation and accelerating blood circulation, the body’s heat dissipation will also increase, which is also helpful in alleviating the symptoms of fever. However, if a high fever occurs, it is not recommended to use ginger to rub the heart of the feet for treatment, but will aggravate the fever, this time it is best to use a warm towel, the patient’s whole body skin bath, or wipe the heart of the hands and feet, for the fever has a certain help. If this time to promote blood circulation, on the contrary, will accelerate the rise in body temperature, for fever is very unfavorable.