The most common cause of very yellow and pus nasal discharge is caused by acute sinusitis and chronic sinusitis in clinical practice. If it is caused by acute sinusitis, the first thing to do is to treat the acute inflammation, feasible anti-inflammatory, anti-viral treatment, with oral blue scutellaria oral liquid, five musk pills, rhinitis drugs Cangerzi rhinitis drops and nasal inflammation capsules, with the spray nose drugs Cochlearia or Renolcort. If the yellow pus nasal discharge is caused by chronic sinusitis, the treatment of nose spray and rhinitis medicine is feasible, together with the drug Genoton or Chenault to promote discharge. If the inflammation is confined to maxillary sinusitis, a puncture and drainage irrigation of maxillary sinus can be considered.