Flowing yellow nose after cold often indicates concurrent bacterial infection, viral invasion of nasal mucosa, causing local mucosal congestion and edema, increased secretion, initially clear water-like nasal discharge, when combined with bacterial infection, the inflammatory reaction in the nose is aggravated, and the symptom of flowing yellow nose appears. Flowing yellow nose after cold in treatment can take anti-cold drugs, such as cold spirit granules, Lianhua Qingfei capsule, etc. When combined with bacterial infection, it is necessary to take penicillin, cephalosporins or levofloxacin, anti-infection treatment. In traditional Chinese medicine, yellow runny nose after a cold belongs to wind-heat cold, caused by the wind-heat evil offending the table, lung Qi and loss of harmony, can be accompanied by fever, throat redness, swelling, pain and cough, sputum thick or yellow, nasal congestion, yellow snot and other heat signs of fire, treatment to pungent cool detoxification, such as oral such as silver forsythia antitoxin pill, Banlangen punch, Shuanghuanglian oral liquid, etc., can play a good role in clearing heat and detoxification.