Allergic rhinitis, chronic rhinitis and other rhinitis are known to cause coughs. If rhinitis causes postnasal drip syndrome can also lead to cough. 1. Allergic rhinitis: when suffering from allergic rhinitis, there can be allergic pharyngitis at the same time, or nasal secretion stimulation will induce allergic pharyngolaryngitis, resulting in patients with cough performance. 2. Chronic rhinitis: patients with this disease, nasal mucosa congestion and swelling, secretion accumulation, causing nasal airway narrowing, leading to open-mouth breathing, throat mucosal dryness, irritating cough symptoms, secretion reflux stimulation of nasopharynx will also cause irritating cough. 3. Postnasal drip syndrome: rhinitis will produce a large amount of secretion, secretion backward flow, stimulate the mucous membrane of the pharynx, caused by the pharyngeal foreign body sensation, will lead to chronic pharyngitis and pharyngeal origin of the cough. It is also often referred to as postnasal drip syndrome. Patients with rhinitis should go to the regular hospital in time to find out the causes of rhinitis and under the guidance of professional doctors for targeted treatment.