Generally speaking, the antibiotics commonly used in children mainly include the following types. The first is cephalosporin, which has a good effect of killing bacteria, and there are more types of cephalosporins, which can be divided into first-generation cephalosporins, second-generation cephalosporins and third-generation cephalosporins and so on. There are many types of cephalosporins and their antibacterial spectrum is also focused, so they are the preferred type of antibiotics for children. The next antibiotic is amoxicillin, which is a good treatment for children with streptococcal infections. In addition, macrolide antibiotics, which include erythromycin, roxithromycin, azithromycin, and methicillin, can treat Mycoplasma pneumoniae infections in children.