I believe most of us have heard of the Sanvu patch, but very few of us have tried it personally, so it’s only natural to have doubts about its efficacy. In fact, the efficacy of this San Fu paste is indeed debatable. The reason is that the San Fu paste belongs to the winter disease summer treatment, this treatment effect, is not immediately effective, is the need for a long interval, the lack of practice basis, while the Chinese and Western medicine between this is quite controversial. So this three volt paste actually has no practical effect, we also inevitably some doubts. San Fu paste is a characteristic Chinese medical method, which is in the form of a finished “medicine cake” (also known as ointment), which needs to be applied from the summer solstice to the end of the volcano. The purpose is to alleviate or prevent certain diseases that tend to attack in winter, such as chronic pharyngitis, rhinitis, asthma, cough, recurrent colds, rheumatic arthritis, spleen and stomach diseases, etc. Chinese medicine believes that during the period of three volts, the human body is full of qi and blood, the skin temperature is high, humidity is high, and the pores are more open, so the use of the three volts paste at this stage, the drug can easily penetrate the acupuncture points meridians, thus playing a role in improving immunity, alleviating diseases and preventing diseases. Second, Western medicine, on the other hand, believes that the efficacy of the San Fu paste is unclear, and there is no evidence that the drug has the effect of treating diseases. Although Sanvu paste is a traditional Chinese medicine, but the medicine is three parts poisonous, there are still factors in the ointment that are harmful to human health, and, some people have sensitive skin and may have allergies to the ointment. The large number of people gathered in the hospital on a hot day is very easy to be infected with diseases, and children are at greater risk. So going to the San Fu paste not only can not cure the disease, but also easily infected with disease, especially the disease of the whistle tract. So for the people who use the three volt patch, you still need to choose carefully. Even if you want to use it, you need to find a regular hospital, after the examination, according to the physical condition, to determine whether it is suitable for use.