Yellow nasal discharge is usually seen in the following diseases: 1. Acute rhinitis attack, acute rhinitis is usually due to acute upper respiratory tract infection, and the nasal symptoms. The pathogenic bacteria are mostly Streptococcus hemolyticus, or rhinovirus and adenovirus, which can cause nasal congestion and yellow nasal discharge in the nasal cavity of the patient. On examination, the mucous membrane of the bilateral turbinates is seen to be congested and edematous, and the surface is covered with yellow crusts. In treatment, oral anti-inflammatory medication is required, along with nasal irrigation twice a day, which will gradually heal in about a week. 2. caused by an acute rhinitis attack, due to the inflammatory infection invading the sinus mucosa, resulting in sinus mucosa congestion, edema, and inflammatory exudation. Patients will have yellow nose, headache, facial swelling and other related symptoms, and need to go to the hospital for examination. Sinus CT can confirm the diagnosis of sinusitis. In the acute stage, oral anti-inflammatory drugs such as cefixime and amoxicillin are needed, but it is better to have surgery. You can input ceftriaxone sodium, cefotaxime sodium and perform sinus puncture and irrigation at the same time, which can cure in about a week. If it is chronic sinusitis, it is better to have surgery to cure it. 3, yellow nose due to sinus cyst rupture, usually seen in maxillary sinus cyst, yellow nose is temporal, often intermittent yellow nose, in this case also need to check the sinus CT. sinus cyst needs to be treated surgically, you can perform maxillary sinus radical surgery as well as cyst removal, you need to use antibiotics after surgery After surgery, antibiotics are needed to avoid local infection.