Methacrylic anhydride is a key raw material or monomer for various high molecular weight polymers, resins, and photopolymerization materials in the field of material synthesis; In the field of adhesive sealing, it is used to produce high-performance adhesives and sealants; In the field of electronic materials, it is used to manufacture key electronic materials such as photoresist; In the biomedical field, biomaterials can be modified and used as drug carriers; In the field of organic synthesis, esterification agents and intermediates are used to prepare fine chemicals and special organic compounds.