The majority of the small white spots on the body are due to skin hypopigmentation and form a hypopigmented skin disease, but there are many reasons for the small white spots on the body, the most common reasons in the clinic are the following: 1, vitiligo: vitiligo is generally milky white white spots. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. It tends to appear on the trunk and extremities, and is mostly a light white spot due to fungal infection, which is more numerous.