Normal nasal mucus is colorless and transparent, which can inhale moist air and block the entry of dust and bacteria, but when yellow nasal mucus appears, it can be considered as a large amount of purulent secretion in the nasal cavity due to upper whistle infection, which is a 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 for 1-2 days triggering sore throat and cold symptoms. After understanding the cause of the disease, we can treat the symptoms according to the cause, taking the principle of pungent and cool relief as the treatment. The specific medication, please take into account the clinical, the doctor face-to-face guidance is the main. In addition, daily life should pay attention to more rest, open windows regularly, maintain indoor ventilation, exercise properly to enhance physical fitness, improve the body’s immunity to disease, increase clothing according to the season, and pay attention to warmth. If you find any uncomfortable symptoms, you should seek medical advice from the department of inhalation medicine in a timely manner to avoid delays.