Preparing method of Chinese medicine catablasm base material

The invention relates to a preparation method of matrix material for Chinese medicinal plaster, particularly to a preparation method of Chinese medicinal cataplasma matrix containing Chinese medicinal extracts. The method comprises the following steps of completely dissolving gelatin in 60 DEG C water, respectively adding sodium carboxymethyl cellulose, polyvinylpyrrolidone, gum arabic, Indian gum, triethanolamine and magnesium hydroxide into gelatin solution, and adding water for completely dissolving to obtain solution I; dispersing sodium polyacrylate, carbomer, polyvinyl alcohol, agar, gum tragacanth, colloidal silicon dioxide and sodium hydroxide in glycerol to obtain solution II; and mixing the solutions I and II to obtain cataplasma matrix. The inventive matrix has the advantages of good transdermal effect, good air permeability, no skin irritation, no anaphylaxis, comfortable application, good reusability, stable matrix properties, safe and environmentally friendly preparation process, good affinity w