The reason for this is that there are several reasons why there are small bumps next to the nipples of boys: 1, physiological, boys in the development period due to the increase in hormone levels, may cause mammary hyperplasia, thus forming a small bump next to the nipple, the color is similar to the color of the areola, is a normal physiological phenomenon, no need to treat, to be perfect development will subside on its own. 2, sebaceous cysts, nipple side sebaceous glands are rich, often touching or No treatment is needed.