Baby antibiotic drugs usually consist of the following categories: first, the more commonly used is penicillin class of drugs, such as oral amoxicillin, intravenous meloxicillin, amoxicillin clavulanic acid potassium and so on. Second, the cephalosporin drugs, divided into cephalosporin generation, two generations, three generations of drugs, usually used for relatively strong infection of the baby, can be taken orally cefaclor, cefpodoxime, cefixime, but also intravenous ceftriaxone, cefoperazone, cefotaxime sodium and so on. Third, macrolide drugs, there are erythromycin oral, but also intravenous, and azithromycin, roxithromycin and so on. Fourth, antifungal drugs. Fifth, anti-parasitic drugs.