If the baby still coughs after the cold is over, it is considered that the upper respiratory tract infection has turned into a lower respiratory tract infection, and should be given cough and sputum relief as well as appropriate anti-inflammatory and antiviral drugs. If the symptoms of the cold significantly improved, but still coughing and more laborious to consider for bronchitis or bronchopneumonia, need to go to the hospital in time to take pictures, as well as blood tests, according to the results of the blood routine, give antibacterial drugs (amoxicillin), antiviral drugs (acyclovir), etc., while with the coughing medication, coughing phlegm, can be combined with aminobromine oral solution. In the course of treatment, it is important to eat a light diet and add or remove clothing in time to prevent recurrence of the disease. If the cough lasts for more than 8 weeks, you should be alerted to the presence of allergic cough, which should be treated with anti-allergic drugs (cetirizine hydrochloride). All of the above medications should be taken under a doctor’s supervision.