Children with cold cough may be upper respiratory tract infection, pediatric bronchitis, allergic cough and other diseases caused by the application of antibiotics, antihistamines, such as amoxicillin, loratadine and other drugs, if necessary. 1. Upper respiratory tract infection: children may have upper respiratory tract infection after being cold, and may have symptoms such as coughing, runny nose, sneezing, nasal congestion, etc. Children can be encouraged to drink more water. 2. Pediatric bronchitis: pediatric bronchitis may occur after a child is exposed to cold, the patient will have a cough, cough sputum, chest pain and other manifestations. For bacterial infection caused by pediatric bronchitis, you can follow the doctor’s instructions with amoxicillin, cefixime and other antibiotics. If the mycoplasma infection caused by pediatric bronchitis, you need to follow the doctor’s instructions with roxithromycin, azithromycin and other antibiotics. 3. Allergic cough: children with allergic cough will have irritating dry cough, foreign body sensation in the throat and other manifestations. Patients can use antihistamines such as loratadine and cetirizine, as well as central cough suppressants under the guidance of a doctor. Children with cold cough need to consult a doctor to check the cause of the disease, need to identify the cause of the disease, under the guidance of the doctor to use the correct medication, can not be unauthorized use of medication.