Normal nasal mucus is colorless and transparent, which can moisten the inhaled air and block the entry of dust and bacteria. When yellow nasal mucus appears, it can be considered as a large amount of purulent secretion in the nasal cavity caused by upper respiratory tract infection, which belongs to wind-heat cold. Wind-heat colds are caused by the wind-heat evil offending the surface and the loss of harmony of lung qi, mostly occurring in summer and autumn, with head swelling and pain, dry mouth and tongue, sore throat, cough and phlegm, fever and night sweats as the main symptoms. According to TCM, patients suffering from wind-cold colds are mostly constipated and last 1-2 days triggering sore throat and cold symptoms. After understanding the cause, symptomatic treatment can be based on the cause, with the treatment principle of pungent cooling and relieving the symptoms, and herbs such as chrysanthemum, peppermint, rhizome and forsythia can be used daily to make tea and drink appropriately. The medicine can be used as Pan Lan Gen, Shuang Huang Lian Oral Liquid, Yin Qiao Detoxification Tablets and other drugs. The specific medication should be combined with the clinical situation and guided by the doctor’s interview. In addition, you should pay attention to rest, open windows regularly, maintain indoor ventilation, exercise properly to enhance physical fitness, improve the body’s immunity against diseases, add clothes according to the season, and pay attention to keeping warm. If you find any uncomfortable symptoms, you should consult the respiratory medicine department in time to avoid delaying the disease.