Essential medicine is the abbreviation of essential medicine, which refers to the medicine that can meet the basic medical and health needs, the dosage form is suitable, the supply is guaranteed, the grassroots can equip it, and the people can get it fairly. Its main features are safety, necessity, effectiveness and low price.

Generic drugs, as the name implies, refer to common drugs, which have the characteristics of universal clinical application, exact curative effect, large dosage and low price, and are mostly national essential drugs.

The new special drug is a relatively new and effective drug, and it has a new drug certificate issued by the state.