Small bumps on the side of the child’s tongue may be related to friction, tongue papillae hyperplasia and other factors. 1. Friction: children may eat snacks or hard food, friction to the side of the tongue to appear localized edema, manifested as small bumps. 2. Tongue papillae hyperplasia: caused by poor oral hygiene or malnutrition, fungal infections, vitamin deficiencies, localized sharp tooth tips, etc., which can stimulate the local tongue leading to lobulated papillae hyperplasia, appearing as small bumps. Children with small bumps on the side of the tongue, there are other reasons, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the cause, and targeted treatment or therapy.