A lot of red bumps on the root of the tongue, may be the emergence of lingual tonsillar hypertrophy or papillitis of the tongue, specific need to go to the hospital to confirm the examination. 1. Hypertrophy of lingual tonsils. When the upper respiratory tract infection or have bad denture stimulation, the tonsil tissue of the posterior edge of the tongue can appear proliferative changes, the root of the tongue symmetrical nodular elevation of light red or dark red, a number of aggregation of irritation pain, generally no obvious symptoms can be treated, remove the stimulus can be. 2. Tongue papillitis. The posterior 1/3 of the tongue or near the pharynx can appear contour papillitis or lobulated papillitis, papillae are enlarged and raised, red, often mistaken for a tumor, may be chronic adverse stimuli, eating irritating foods, pharyngeal infections and other factors. A lot of red bumps on the base of the tongue may also be a manifestation of the tumor, but the tumor is often accompanied by ulcers, the specific cause of the disease need to go to the hospital to do oral and laboratory tests to confirm the diagnosis.