Yellowing of the nose is usually seen in influenza. The symptoms related to the upper respiratory tract are caused by the invasion of viruses and bacteria after the body’s immunity and resistance have been reduced. It is commonly known as cold, and the pathogenic bacteria are mostly Streptococcus haemolyticus, or rhinovirus or adenovirus, which can cause sudden onset of high fever with body temperature above 38.5℃, malaise, headache, nasal congestion, bilateral yellow nasal discharge, pain in the throat, mainly painful swallowing, cough, yellow sputum and other related symptoms. On examination, mucosal congestion and edema of the bilateral turbinates were evident, and yellowish secretions were seen adhering to the nasal cavity bilaterally. The mucous membrane of the throat is congested and the tonsils are enlarged. In terms of treatment, this bacterial infection usually requires oral anti-inflammatory drugs, which can be taken orally as cefixime, amoxicillin, and penicillin V potassium tablets. If the patient has severe nasal congestion, he or she can also use Daphnin nasal aerosol topically to contract the turbinates and keep his or her airway open. If the patient has a sensitive throat pain, you can also use open throat sword for local topical application to reduce the pain in the throat, about a week of treatment cycle, within a week the patient needs to eat a light diet, can not eat spicy and stimulating food, it can gradually heal.