In most cases, yellow nasal discharge in children after a cold is secondary to a bacterial infection, which can be treated with medications such as pediatric aminophenol xanthamin granules and potassium amoxicillin clavulanate granules. Children usually have a watery runny nose when they have a cold, which is mostly caused by viral infections. However, if there is a secondary bacterial infection, the symptom of yellow nasal discharge may occur. Treatment is mainly symptomatic and causative. Symptomatic treatment can take pediatric aminophenol xanthamin granules and so on to relieve the symptoms of running nose. For symptomatic treatment, some antibiotics can be taken to control the infection, such as Amoxicillin Clavulanate Potassium Granules, Cefixime Granules and so on. Children with colds are recommended to seek medical treatment in time, and use medication under the guidance of the doctor, do not use it blindly on your own, so as not to cause discomfort. In the process of treatment, the child should also drink more water, appropriate supplementation of fresh fruits and vegetables, ensure sufficient rest time, pay attention to open windows and ventilation, etc..