Infantile white spots may be caused by a variety of diseases such as vitiligo, anaplastic nevus and pityriasis alba. 1. Vitiligo: Vitiligo can occur at any age and is a depigmentation disease that is caused by the destruction of melanocytes in the skin, resulting in a lack of melanin in the skin. 2. aphthous nevus: aphthous nevus white spots can occur in any part of the body, but to the trunk is more common, and often unilateral distribution. 3. Leukofurfury: under the influence of various causes, it will lead to chronic skin disease in the body, with round or ovoid white spots with fuzzy edges. Infant white spots may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.