In outpatient clinics, patients often say to doctors, “Doctor, I have a cold almost every day”. If you have a stuffy nose, itchy nose, sneezing and runny nose, the first reaction of ordinary people is: do you have a cold again? Very often, it is more likely that “allergic rhinitis” is at work. The symptoms of allergic rhinitis are very similar to the cold, so many allergic rhinitis is often mistaken for a stubborn cold and treated with simple cold medication, resulting in a delay in proper diagnosis and treatment. Zhong Nanshan academician after investigation that: 70% of allergic rhinitis patients as a cold to medical treatment, which not only delay the disease but also affect the effectiveness of treatment. Therefore, we must distinguish between rhinitis and colds for accurate treatment.