Clinical common cause of nasal congestion, sneezing, runny nose has two reasons, as follows: First, allergic factors caused by clinical common is allergic rhinitis, such patients in the case of some allergens will be induced by sneezing, runny nose, nasal congestion and so on corresponding clinical symptoms, such as patients in contact with pollen, animal fur, or irritating fumes and so on will be similar symptoms, the symptomatic treatment can be, try to avoid contact with the cause of the disease. Symptomatic treatment can be, to the cause of treatment, try to avoid contact with allergens. Second, if the patient does not have allergic rhinitis and other diseases, we have to consider whether it is a cold, clinically common coronavirus, rhinovirus infection will cause upper respiratory symptoms, upper respiratory kata symptoms, such patients with a persistent runny nose, usually 3-5 days or so to improve, clinical treatment is also given to the patient’s symptomatic treatment can be combined with anti-allergy drugs, antihistamines, including cough symptomatic drugs, there is no special antiviral drugs. There are no specific antiviral drugs that can be used to treat the disease, which is self-limiting.