The invention relates to a formula and a preparation process of herbal bean paste in the field of biological skin care. The method comprises the following steps of: S1, material preparation: taking a gallnut extract, a houttuynia cordata extract, stearic acid, glyceryl stearate, liquid paraffin, glycerol, a pearl extract, a radix sophorae flavescentis extract, a phellodendron bark extract, triethanolamine, menthol, methylparaben and a coloring agent from a warehouse according to the feeding amount, and preparing materials before production is completed; S2, preparation of a product A: weighing stearic acid, glyceryl stearate and liquid paraffin, placing the weighed materials in a proper container, heating the materials to 85-90 DEG C, and stopping heating after the materials are completely dissolved to obtain the product A; and S3, preparation of a product B: weighing glycerol, methylparaben and purified water, placing the weighed materials in a proper container, uniformly stirring the materials, sequentially adding the gallnut extract, the pearl extract, the radix sophorae flavescentis extract and the phellodendron bark extract, uniformly stirring the materials, heating the materials to 90-95 DEG C, and fully and uniformly stirring the materials to obtain the product B.