The antibiotic drugs that children can use, mainly include cephalosporins, penicillins, macrolides, as follows: 1. Cephalosporins: Cephalosporins are the most widely used class of antibiotics for children, such as cefadroxil, cefaclor, cefixime, etc.; 2. Penicillins: such as amoxicillin, etc.; 3. Macrolides: The main macrolide antibiotics are erythromycin, roxithromycin, Macromycin, azithromycin, etc. Macrolide antibiotics are effective not only for bacterial infections, but also for Mycoplasma pneumoniae and Chlamydia infections. Antibiotics suitable for children mainly include the above categories.