If a drug is invented abroad, it will involve invention patent and drug protection. Foreign drug imports need to be audited and taxed by relevant departments, so the price is higher. But also involves drug research and development costs and manufacturing costs. Drugs are not simple commodities, and there are several sets of strict regulations. The curative effect of the same drug in different producing areas may be different, which is called "drug consistency evaluation" academically. Generally speaking, drugs are still a circulating commodity, so there will be prices, and the prices of different dealers may be different. We have encountered the same medicine in our work, and the prices of different dealers are different.