Nasal congestion and runny nose for several days, you should consult a doctor to find out the cause of the disease, the common cause may be acute upper respiratory tract infection, acute sinusitis, allergic rhinitis, etc., to clarify the cause, for treatment. 1. Acute upper respiratory tract infection: consider viral infection, sneezing, nasal congestion, runny nose and other symptoms, which may be accompanied by sore throat, cough, fever, chills, headache and other symptoms. Antiviral drugs and cold medicines can be used to treat the symptoms. 2. Acute sinusitis: generally manifested as yellow nasal discharge, nasal congestion, and accompanied by headache, fever and other symptoms. Need to use antibiotics for treatment, such as amoxicillin clavulanate potassium or second-generation cephalosporin antibiotics, while the nasal cavity using nasal saline for nasal rinsing. 3. Allergic rhinitis: may also have with the flow of clear nasal discharge, sneezing, nasal congestion and other symptoms, need to use anti-allergic drugs symptomatic treatment. But do not rule out other factors caused by nasal congestion and runny nose should be timely consultation, by the doctor to clarify the cause of the disease, give targeted treatment.