The appearance of white lumps on the tongue may be the result of oral lichen planus, oral leukoplakia, oral ulcers and other problems. 1. Oral lichen planus: patients with oral lichen planus will cause irritation to the oral mucosa, may produce mucosal roughness, and there may be white lumps or burning tingling and other symptoms. 2. Oral leukoplakia: patients with oral leukoplakia due to external stimulation of the oral cavity, may lead to mucosal tissue lesions, so white patches will appear. 3. Oral ulcers: patients with oral ulcers may produce white patches, and at the same time there may be broken vesicles and other symptoms. If there are obvious white patches, it is recommended to consult a doctor in time for examination and treatment.