Nasal congestion can be caused by a number of factors, which need to be clarified and treated with medication in order to be effective. Medications such as Lianhua Qingdian Capsule, Sanjiu Cold & Flu, Tongtiao Rhinitis Granules, Loratadine, and Mometasone Furoate are commonly available over the counter. Common causes of nasal congestion include acute and chronic rhinitis, chronic sinusitis and allergic rhinitis. For viral infection caused by acute rhinitis, you can follow the doctor’s instructions to use drugs, such as Lianhua Qingdao capsule, Sanjiu cold spirit; allergic rhinitis can use desensitization drugs, such as mometasone furoate, loratadine; acute and chronic rhinitis sinusitis, you can use the through the hole rhinitis particles, and so on. To clarify the cause of the disease, you can consult a doctor for nasal endoscopy, CT and other auxiliary examinations to clarify the cause of the disease, medication should follow the doctor’s instructions, pay attention to warmth during the medication, light diet.