It is best to find a pharmacology book first, read the book according to drug classification (usually according to indications), and correspond to the physical memory. If the pharmacy has passed GSP certification, then the location of the medicines is basically fixed, and you can just remember the location and price. Western medicines in the same system are based on chemical names, and may have similar keywords, such as cephalosporins, floxacin, dipine, sartan, prili, lorol, cetin, statin, pine, pine, etc. wait.
Combined with the product name, the more you read and remember, the faster it will be.