The efficacy of earth hibiscus bark is to clear heat and detoxify (remove heat and toxicity from the body), dry dampness and kill insects, stop itching, with the effect of treating wet foot rot, eczema, scabies and other conditions. Tugunpi is the dried bark of Shuiweng, a plant of the myrtle family. It is bitter, pungent and cool in nature, and belongs to the spleen and stomach meridians. It has the effects of clearing heat and removing toxins, drying dampness and killing insects, and relieving itching. Clinically, it can be used for the treatment of foot odor and wet rot, eczema, scabies, water and fire burns and other diseases. The drug is cold in nature, so it should not be used by patients with cold spleen and stomach (weak and cold spleen and stomach) diarrhea. Before using Tujianpi, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the use of evidence, not to take on their own to avoid delays in the condition.