White dots on the skin may be a manifestation of anemic nevi, which are mainly scattered or dense dots or small dots of white appearance on the skin. The skin at the white dots may be accompanied by different degrees of atrophy, a little friction with the hand usually does not occur red changes, so it will not be congested. The reason for this is that the localized capillary dysfunction at the site of the skin onset, even if friction or instrumental stimulation occurs, will not appear congestive reaction, so it will not produce a reddish appearance.