Patients with many white dots on their bodies are usually associated with causes such as senile leukoplakia, anemic nevus, vitiligo, and lichen planus. If it does not affect the appearance and there is no other abnormal performance, it can be left untreated. If it obviously affects the appearance, it can be treated with medication, physical therapy or even surgery. 1. senile leukoplakia: with age, some scattered white spots may gradually appear on the skin of people over 40 years old, and the older they are, the greater the number, called senile leukoplakia, which is a normal reaction to skin aging and generally does not affect the body; 2. anemic nevus: usually due to local skin blood vessel The white spots will become inconspicuous when pressed near the skin and generally do not need treatment, if the lesions affect the beauty, cosmetics can be used to cover them up; 3, vitiligo: the disease is caused by the destruction of melanocytes in the skin, resulting in a lack of melanin in the local skin. It can be treated by means of glucocorticoids, phototherapy or even transplantation surgery; 4, lichen planus: usually caused by fungal infection, mostly in the chest, back, face and other parts of the body, mainly manifested as white spots symmetrically distributed, the surface is often covered with chaffy flakes and so on. It can be treated by giving ketoconazole lotion for topical use and combining with antifungal drugs such as amorolfine and ciclopirox.