A clear runny nose in summer is not necessarily a wind-cold cold, but may also be congested nose. Runny nose is a symptom, specifically refers to the discharge from the nostrils, such as watery, thin and transparent. It is common in the early stage of wind-cold and congested nose (allergic rhinitis). Therefore, congested nose can also cause symptoms of running nose, not only wind-cold cold. Wind-cold cold refers to the common cold caused by wind-cold, which is mainly characterized by severe cold (fear of cold), mild fever, headache, nasal congestion, runny nose, sneezing, etc. Congested nose is mainly characterized by recurrent attacks of congestion. Congested nose is mainly characterized by recurrent, paroxysmal itching, sneezing and running nose. When the condition of running nose requires medical consultation in summer, patients are advised to follow the doctor’s instructions for treatment.