Low-substituted hydroxypropyl cellulose (L-HPC) is mainly used as a tablet disintegrator and binder. The characteristics of using low-substituted hydroxypropyl cellulose (L-HPC) as a binder and disintegrator are: easy to press and form, and strong applicability. For tablet binder, 5~20% is generally added when wet granulated, 5~20% is used when powder is directly pressed into tablet, and 2~1Chemicalbook0% is used as tablet disintegrator, generally 5%, both internal and external can be added, depending on the specific prescription. Low-substituted hydroxypropyl cellulose (L-HPC) can also be used as a food additive, used as emulsifier, stabilizer, suspension aid, thickener, film forming agent in the food industry, used in the manufacture of beverages, pastries, jam, etc., but also used in the daily chemical industry, used as cream, shampoo, emulsion and other cosmetics manufacturing.