Allergic rhinitis, chronic rhinitis and acute rhinitis may all lead to the symptoms of phlegm and cough in the middle of the night, which can be treated more differently, such as oral medication, use of nasal sprays, saline and other treatments. 1. Allergic rhinitis: It is recommended to take oral anti-allergic drugs such as loratadine, combined with hormonal nasal sprays such as budesonide to control allergic symptoms in time. If there is more sputum, eucalyptus pinene can be taken orally to promote the discharge of secretion. 2. Chronic rhinitis: Budesonide nasal spray can be used to control local chronic inflammation and reduce the irritation of secretions on the mucous membrane of the throat. In addition, saline nasal wash or gargle can be used to keep clean. 3. Acute rhinitis: For acute rhinitis caused by viral infection, oral antiviral treatment such as oseltamivir can be taken to relieve local inflammation. Combined with saline nasal wash to keep the nasal cavity clean. It is recommended that the patient consult a doctor in a timely manner to clarify the diagnosis and use medication under the guidance of the doctor.