If yellow nasal discharge is caused by recent upper respiratory tract infection, the main treatment is to treat upper respiratory tract infection and acute rhinitis, such as nasal irrigation and oral mucus promoter, for example, Ceno, which can help patients to discharge in time and relieve symptoms; 2, antibiotic anti-infection treatment can also be given; 3. For the repeated large amount of yellow pus, we can ask for further detailed medical history, whether it is accompanied by intermittent nasal congestion, or reflex headache, we suggest that we can first improve the CT of sinuses to understand whether there is obstructive inflammation in the sinuses, whether there are occupying lesions in the nasal cavity and nasopharynx that cause obstruction of sinus drainage, and give corresponding treatment according to the different causes.