Follicular pharyngitis refers to lymphoid follicular hyperplasia in the posterior wall of the pharynx caused by acute and chronic pharyngitis, and the typical symptoms are foreign body sensation in the pharynx, pharyngeal itching, burning sensation and so on. Stimulate the posterior wall of the pharynx lymphoid follicle edema, hyperplasia of more diseases, including infection, inhalation of dust, harmful gases, eating spicy food, etc., some systemic chronic diseases can also trigger this pathological change. Patients may have the sensation of swallowing a foreign body, itchy throat, burning sensation, dryness, or even feel a slight pain in the throat. Lymphoid follicular hyperplasia in the posterior wall of the pharynx may occur in short-term episodes, or it may accumulate and merge into patches, leading to a decrease in pharyngeal secretion and dryness of the pharynx, and the sensation of foreign body in the pharynx gradually worsens. It is recommended to consult a doctor as soon as possible after the disease, and use medication under the guidance of a physician, do not take medication on your own, in order to avoid delaying the condition.