The symptoms of cough and nasal congestion can be treated according to the specific conditions of the child: 1. If the symptoms of cough and nasal congestion are mild and there are no other accompanying symptoms, they are usually caused by cold and flu, and can be treated by taking pediatric amoxicillin granules to relieve the symptoms. 2. 3, cough, nasal congestion accompanied by coughing sputum symptoms, blood tests suggest bacterial infection can take amoxicillin pellets for anti-inflammatory treatment, while taking aminoglutethimide oral solution to treat, at the same time, parents should also let the child eat more watery fruits, such as pears to help the recovery of symptoms.