Povidone K30 (PVPK30) is widely used in medicine and is one of the three new pharmaceutical excipients advocated internationally. The most widely used adhesives are tablets and granules. PVP can also be used as a flow aid for capsules, a detoxifying agent and lubricant for eye drugs, a co-solvent for injections, a dispersant for liquid preparations, and a stabilizer for enzymes and heat-sensitive drugs. Povidone can also synthesize PVP-I disinfectant with iodine. PVP can also be used as a cryogenic preservative in medicine. There are hundreds of drugs using PVP products as excipients.