Children’s rhinitis snot backflow caused by coughing is usually due to sinusitis, allergic rhinitis and so on. The symptoms can be relieved by oral medication and topical medication as prescribed by the doctor. 1. Sinusitis: after sinusitis, the inflammatory secretions in the sinuses outflow stimulation, then may cause snot backflow caused by coughing symptoms. You can give your child penicillin, cephalosporin antibiotics, such as amoxicillin granules, cefixime granules and other treatments as prescribed by the doctor. You can also follow the doctor’s instructions with topical betamethasone aerosol and tretinoin nasal spray to relieve the symptoms. 2. Allergic rhinitis: after entering the body, the allergens will attach to the surface of the media cells and release more media, so that the secretion stimulation increases, which in turn triggers the above symptoms. First, take your child to the hospital for allergen testing, and stay away from allergens after clarifying the allergens. Then follow the doctor’s instructions to take loratadine syrup and other drugs for anti-allergy treatment. The treatment for children with rhinitis and cough caused by backflow of nasal mucus needs to be determined by the cause of the disease, and it is recommended that the patient consult a doctor for examination to determine the cause of the disease and follow the doctor’s instructions for treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.