Yellow nose and yellow sputum is just a symptom, the etiology may be induced by cold or sinusitis. 1. induced by cold, the patient may be accompanied by fever, sweating, sore throat, red tongue, headache and other related manifestations, clinically wind-heat cold is more likely, in this case it is recommended that the patient drink more water and apply cold medicine for symptomatic treatment treatment under the guidance of a doctor. 2. with acute purulent Sinusitis, mainly manifested as a large amount of purulent nasal mucus in the nasal cavity, both out of the nose, but also backflow into the throat, manifested as yellow phlegm in the throat, mainly as a component of nasal mucus, the main clinical application of antibiotics, oral mucus promoter, nasal irrigation and other treatment to relieve symptoms.