Acute pharyngitis in babies is usually caused by poor resistance to viral bacterial attack. In bacterial acute pharyngitis, the blood picture is higher, such as elevated white blood cells, elevated C-reactive protein or pre-calcitonin will also be elevated, if it is viral may be, elevated C-reactive protein will be less obvious, if it is bacterial pharyngitis, it needs to be treated with antibiotics, such as streptococcal caused will use penicillin, or choose cephalosporins, if it is viral, after a week or so of treatment will improve. It is necessary to pay attention to the complications of pharyngitis, caused by streptococcal infection will be combined with otitis media or acute nephritis and other manifestations.