Children cough phlegm and respiratory tract infections, at this time can be applied to anti-infective drugs, cough medication, phlegm medication, etc. to carry out treatment. 1. Anti-infective drugs: children coughing with phlegm, may be caused by viral infections, can take antiviral oral solution and other treatments, if it is caused by bacterial infections, you can take cephalosporin and other antibiotics, the application of attention to the phenomenon of allergies, stop using immediately. 2. Cough suppressant drugs: When coughing is more intense, you can use cough suppressant drugs, such as dextromethorphan hydrobromide syrup and other drugs to relieve. 3. Phlegm removing drugs: When children have more phlegm, they need to use phlegm removing drugs, such as Ambroxol, which is common in the clinic. Children coughing with a lot of phlegm, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. The use of medication should follow the doctor’s instructions.