The main symptoms of lymphoid follicular hyperplasia at the base of the tongue are increased lymphoid follicles, foreign body sensation, itching, dryness and slight pain in the throat, mucous secretion, irritating cough in the morning. 1. Lymphoid follicular hyperplasia at the base of the tongue, also known as pharyngeal follicular hyperplasia, is a phenomenon of lymphoid hyperplasia caused by inflammation in the pharynx, which is caused by acute or chronic pharyngitis, chronic tonsillitis, nasal diseases and pharyngolaryngolaryngolaryngolaryngolaryngological reflux and other diseases or stimulation of undesirable factors. 2. Lymphoid follicular hyperplasia at the base of the tongue is mainly manifested as a large number of scattered lymphoid follicles on the surface of the mucosa in the pharynx, presenting a dark red granular appearance. 3. When the pharynx is examined, the mucous membrane of the posterior pharyngeal wall can be seen to be congested, the lateral pharyngeal cord and the root of the tongue lymphoid follicles are proliferated and swollen, and in severe cases, they are arranged in granular form, and there can be a sense of foreign body, itching, dryness, slight pain in the throat, mucous secretion, and even the clinical manifestation of irritating cough in the morning. When the above symptoms appear, should promptly consult the doctor, under the guidance of the doctor to clarify the condition and standardize the treatment.