White spots on the legs and stomach can be considered as vitiligo, senile white spots, anemic nevi and other skin damage. 1. Vitiligo: it is an acquired pigment loss disease that can occur in any part of the body, manifested as porcelain white or milky white loss of pigmentation spots, often without conscious symptoms, and the progression of white spots expanding and increasing. 2. Geriatric leukoplakia: it belongs to the phenomenon of senile degeneration, which is caused by the decrease of the number of melanocytes in the skin, often accompanied by other senile changes, such as senile hemangioma, senile warts, etc. It often occurs in the trunk, limbs and other parts of the body, and there is a well-defined white spot, the number of which is not the same. 3. Anemic nevus: it is a congenital vascular development abnormality, which can occur in any part of the body, and the skin lesions are light-white patches with irregular morphology and clear boundaries, which do not cause conscious symptoms. It is suggested that when white spots appear on the body, consult a doctor in time, and after clarifying the cause of the disease, carry out targeted treatment.