A lot of bumps on the root of the tongue may be caused by ulcers on the root of the tongue, papillitis of the tongue, tongue tonsils and other causes. 1. Ulcers at the root of the tongue: Ulcers at the root of the tongue are mainly due to oral ulcers at the root of the tongue, which are caused by the lack of vitamins and trace elements, and at the same time there will be pain, and the phenomenon of so many small bumps at the root of the tongue will appear. 2. Tongue papillitis: most of the tongue papillitis is caused by lack of vitamins, malnutrition, fungal infections, endocrine disorders, etc. Clinical symptoms are redness, swelling, pain, bumps, etc., so there may be a lot of bumps on the root of the tongue. 3. Tongue tonsil: tonsil tumor is in the root of tongue, mainly due to improper diet, infection caused by tonsil inflammation, will stimulate the tonsils to appear swelling, bleeding phenomenon, thus forming the phenomenon of bumps, so there will be a lot of bumps on the root of the tongue. It is recommended to go to the hospital for examination, the doctor will be based on clinical symptoms to give the appropriate judgment, clear cause of the disease and timely symptomatic treatment.