"San Fu Tie" is based on the principle of "nourishing yang in spring and summer, nourishing yin in autumn and winter", treating winter diseases in summer. By applying plaster during the three dog days, the medicine enters the meridians and organs through acupoints, regulating qi, blood, yin and yang, and achieving the goal of preventing and treating diseases. It has a good regulating effect on various chronic diseases that are prone to occur in winter.

San Fu Tie is not a comprehensive treatment for all diseases. Its main indications include bronchitis, allergic rhinitis, chronic pharyngitis, neck, shoulder, waist and leg pain, and allergies. It has good therapeutic effects on children with repeated long-term coughing, recurrent respiratory infections, and weak and sickly constitution. All diseases such as insufficient Yang Qi, weak lung Qi, deficiency cold pain, and some immune dysfunction will be treated in summer, especially during San Fu Tian, which is more effective than other seasons The diagnosis and treatment effect is good.

The application time for adults is about 6-8 hours, and the specific time may vary from person to person. If the patient experiences local reactions such as itching, pain, and blistering, they can be removed in advance. Children have delicate skin, and the application time should be short, usually no more than 4 hours.

After application, there is mild itching and burning sensation in the local area, which is mostly a normal response to medication. If the local skin is red, swollen, itchy, or blistered, it should be immediately removed to avoid scratching or damaging.

Although the Sanfu patch is good, not everyone is suitable. Pregnant women, those who are allergic to drugs, patients with severe skin diseases, patients during disease onset, and some patients with malignant diseases and yin deficiency constitution are not suitable for Sanfu moxibustion.