Runny nose and cough, may be suffering from upper respiratory tract infection, influenza, allergic rhinitis and other diseases caused. 1. Upper respiratory tract infection: Upper respiratory tract infection is mainly caused by viruses, bacteria and other pathogens, triggers include low immunity, cold, etc., the patient will have runny nose, cough and other symptoms, if it is caused by viral infections, usually runny nose. 2. Influenza: Influenza is usually caused by influenza virus infection, and patients may have symptoms of running nose and coughing, as well as dizziness, weakness, nasal congestion and other symptoms. 3. Allergic rhinitis: if contact with animal hair, dust mites and other allergens, allergic rhinitis may be induced, nasal congestion, runny nose and other symptoms; allergens on the respiratory tract caused by the stimulation, but also may be induced by the bronchial smooth muscle spasms, so that the patient coughing, coughing and wheezing and other symptoms. It is recommended that patients with runny nose and cough go to the hospital to find out the cause of the disease, and then follow the doctor’s instructions for the cause and symptomatic treatment.