Lymphoid follicular pharyngitis refers to lymphoid follicular hyperplasia caused by acute and chronic pharyngitis, which is associated with prolonged chronic inflammation and infection, allergy, and stimulation of physicochemical factors, and can cause a series of clinical symptoms, mainly including cough, foreign body sensation and pain. 1. Cough: because of the local chronic inflammation stimulation, it will cause the sensitivity of the surrounding mucous membrane to increase, in the case of cold air or foreign body stimulation, it will lead to irritating cough. 2. Foreign body sensation: and pharyngeal lymphoid follicular hyperplasia, hyperplasia of the lymphatic tissue on the surrounding mucous membrane caused by stimulation, can cause swallowing foreign body sensation. 3. Pain: Inflammatory stimulation leads to mucosal thickening, edema, partially causing local damage, which will cause pain and discomfort. This sign of lymphoid follicular pharyngitis, the occurrence of which is often accompanied by once there is obvious redness, swelling or dryness of the throat, ulceration, need to actively and promptly seek medical attention to clarify the diagnosis and cause of the disease, and standardized treatment under the guidance of a specialist clinician.