White spots on the lips may have the following conditions: 1, ectopic sebaceous glands: ectopic sebaceous glands generally occur in the buccal mucosa and other parts, but may also grow in the lips, generally manifested as pinhead-sized, isolated and higher than the mucosal surface of the yellow-white bumps, scattered distribution or cluster distribution, generally does not occur specific degeneration, so usually no special treatment; 2, oral ulcers: manifested as yellow-red concave pain, may be accompanied by headache and swollen lymph nodes, which can be controlled by medication; 3. thrush: mostly occurs in children under 5 years old, usually develops under low resistance and requires antifungal treatment; 4. oral leukoplakia: generally does not require special treatment and is a thickening of the oral mucosa. In special cases, if the white spots are ulcerated and degenerated, there is a possibility of cancer, which needs special attention.