If a six-month-old child has symptoms of cold and runny nose, treatment should be carried out according to the child’s specific conditions: 1. If the child has frequent sneezing and runny nose, he can take ribavirin granules to treat the symptoms of cold and runny nose caused by viral infection, and take aminophenol flavonamide granules for treatment. 2. If the symptoms of runny nose are mild and there are no other obvious symptoms, and the child is in good spirits, it is not recommended to give the child medication, and treatment can be done by keeping warm and drinking more water. 3, if the child not only has symptoms of cold and runny nose, but also has fever and poor spirits, he/she should go to the hospital for examination and treatment in time to avoid delaying the condition and affecting the treatment.