Ampoule, a sealed vial made of high-quality thin glass, it is often used to store injection drugs, vaccines, serum, etc. The most common one is medical, and the medicines used for intravenous drip are usually ampoules.
Vial, a small bottle sealed with a rubber stopper, available in brown, transparent, etc., generally made of glass. The neck of the bottle is thinner, and the thickness of the neck is the same. Generally used as medicinal injection bottles, oral liquid bottles, etc.