Many small white dots on the edge of the glans may be a pearly rash on the edge of the glans. The first thing to determine in this case is whether these small white dots are uncomfortable, such as whether they itch, whether they are painful, and whether they are significantly larger and more numerous. The vast majority of pearly rashes do not have any symptoms, it is a benign lesion, mainly because the foreskin is relatively long and wraps the glans for a long time, while there is secretion, the secretion is deposited on the pearly rash, it may form a foreskin scale. In this case, by washing, these small white spots will slowly become less. If you often keep dry, these small white spots will not increase. It is recommended that the foreskin be frequently turned over and cleaned.