In the pharmaceutical industry, CMC can be used as emulsifying stabiliser for injections, binder, disintegrating agent, filler and film-forming agent for tablets. Some people have proved that CMC is a safe and reliable carrier of anticancer drugs through basic and animal experiments. Using CMC as membrane material, the modified dosage form of traditional Chinese medicine Yangyin Shengmusi San – Yangyin Shengmusi Membrane is developed, which can be used for skin grinding surgery wounds and traumatic wounds.