Ermiao Wan is a Chinese medicine formula from the Compendium of Medicine. Ermiao Wan has the effect of clearing heat and drying dampness, mainly for the treatment of swollen and painful feet and knees, eczema, damp sores, dampness and lumbago. Ermiao Wan can treat dampness and heat and lumbago, and is effective for dry lips and mouth, as well as heat disorders of muscles. Ermiao Wan can also treat foot odor, which is very effective in healing foot odor, and Ermiao Wan can treat pain, which is uniquely effective for patients with sores under the knees. However, patients should be careful not to overdose when using Ermyo Pill, and be aware of the history of drug allergies, etc. It is best to use this medicine after a doctor’s consultation and give accurate judgment and advice before using it, not to abuse it.