Adsorption is a chemical and physical reaction in which all solids with porous and huge surface area are dissolved. Maifanshi Granule as a traditional Chinese medicine has a good effect on skin diseases, especially pus extraction. Maifanshi particles are porous and have strong adsorption capacity. It is easy to understand that the main components of Maifanshi particles are silicon dioxide and alumina.
In the electron microscopic photography of the fine powder of Maifanshi, it has been confirmed that it is spongy and porous, which is the main reason. That is to say, because of the porous nature, the surface is very large. Because feldspar is partially weathered into kaolin and so on, it always maintains a strong adsorption and exchange effect.