Different functions of the composition of the three-volt patch is also slightly different, the general composition of the three-volt patch is mainly white mustard, Yanhuisuo, ephedra, ginger, ginger, ginger, Cangzhu, cinnamon and other warm through the meridians, cold and dampness class of drugs. San Fu Paste refers to the summer through the application of drugs, in order to achieve the enhancement of physical fitness, reduce the incidence of susceptible diseases in winter means of preventive health, the theory is based on traditional Chinese medicine in the “winter disease summer treatment”, different patients can be based on the need to use different drugs. San Fu Paste has the effect of invigorating yang qi, strengthening the spleen and stomach, but the use of need to pay attention to San Fu Paste ingredients allergies, fever patients, skin broken people, infants and young children, such as prohibited San Fu Paste. San Fu paste need to be operated by a professional doctor, do not use on your own, so as not to cause adverse effects. San Fu paste can not completely replace the medical treatment, when the body appears uncomfortable, should immediately go to the hospital for diagnosis and treatment, do not blindly self-medication.