There are many reasons why there are small bumps on the tongue, such as tongue papilla, tongue inflammation, tongue papilloma, tongue cancer, etc. 1. Tongue papilla: the human tongue itself is part of the tongue papilla tissue, which will lead to the phenomenon of small bumps on the tongue, which is a normal physiological tissue, not accompanied by other uncomfortable symptoms. 2. Tongue inflammation: If there is pain on the tongue, it may be caused by inflammation of the tongue papilla, accompanied by swelling of the tongue papilla, pain and other phenomena. 3. Tongue papilloma: small bumps on the tongue may belong to tongue papilloma, usually the tumor is small, which may be caused by accidental bite. 4. Tongue cancer: the presence of malignant tumors on the tongue can also lead to the phenomenon of small bumps on the tongue, which can be diagnosed by tongue MRI and enhanced CT. There are many reasons why there are small bumps on the tongue, and it is recommended to go to the hospital in time to improve the examination after the symptoms appear, and take standardized treatment under the doctor’s guidance, so do not ignore the symptoms and take them lightly.