Anti-inflammatory drugs for children are divided into three categories: penicillins, cephalosporins, and macrolides. Penicillins, including penicillin G, penicillin V, methicillin (Neo-penicillin I), ampicillin (ampicillin), amoxicillin (hydroxyampicillin), ticarcillin (carboxythiophene penicillin), piperacillin (oxypiperazine penicillin), etc. It is suitable for respiratory tract, skin soft tissue, genitourinary tract infections, etc. The main advantages of penicillin drugs are strong bactericidal effect, less toxic side effects, safer for pregnant women and children, and do not affect liver function. Cephalosporins include cefaclor dry suspension, cefixime capsules, cefradine capsules, cefdinir dispersible tablets and so on. These antibiotics have been developed for four generations, of which the fourth generation has the advantages of wide antibacterial spectrum, strong antibacterial effect, low toxicity, less allergic reactions than penicillin, etc., but the price is more expensive. It can be used for respiratory tract, skin soft tissue, genitourinary system, gastrointestinal tract infections and sepsis, etc. Macrolides mainly include erythromycin, methylethromycin (clarithromycin), roxithromycin, azithromycin, cross-actin, methomycin, spiramycin, etc. They are suitable for respiratory tract and skin soft tissue infections, especially for infections caused by Mycoplasma, Chlamydia and Legionella. No matter which antibiotics are used, they must be used regularly under the guidance of a doctor to avoid many problems such as disruption of the body’s immunity and resistance of bacteria.