This product can increase the surface solubility of various drugs, such as salicylic acid, diazepam, indomethacin, metronidazole, etc., due to the formation of micelles by surfactants. As an absorption enhancer: on the one hand, this product slows down intestinal peristalsis, increases the retention time of the drug in the gastrointestinal tract and increases the absorption, thereby improving the bioavailability of oral preparations; on the other hand, this product has good compatibility with the skin, increasing the The skin permeability can promote the absorption of external medicines.