Children coughing with phlegm runny nose, accompanied by fever, first need to symptomatic cough, then low fever can be prioritized to physical cooling, high fever, the use of ibuprofen and other drugs treatment. The first thing you need to do is to use cough suppressants, such as Ambroxol, and then go to the hospital for a routine blood test. If it’s a bacterial infection, you need to use cephalosporin, amoxicillin, azithromycin and other medications, and if it’s a viral infection, you need to use antiviral medications, such as ribavirin, oseltamivir and other antiviral treatments. In addition, if the temperature does not exceed 38.5 ℃, then give priority to physical cooling, give the child a warm bath or use a towel to wipe the palms of the hands, armpits and other locations; on the contrary, more than 38.5 ℃ need to use ibuprofen and other antipyretic drugs. All of the above medications are recommended to be taken under the guidance of a doctor and should not be used on your own.