Small raised particles on the areola may be normal sebaceous glands, nipple sebaceous cysts, breast eczema, folliculitis and so on. 1. The small particles on the areola are obviously raised, if there is no redness, swelling, pain, considered normal Montgomery’s nodes, Montgomery’s nodes are large sebaceous glands around the nipple, mainly secrete sebum, play a lubricating and protective role of the nipple, areola, usually not obvious and prominent, it will be in the woman after pregnancy with the increase in the size of the mammary glands is gradually obvious, to make adequate preparations for breastfeeding in the later stage. 2. Nipple sebaceous cysts: a kind of dermal cyst containing keratin that occurs next to the nipple, usually there is no obvious discomfort, when secondary infection, pus may be accompanied by localized redness, swelling, pain, or fluctuating sensation. 3. Breast eczema: eczema in the areola area can also be manifested as raised bumps on the areola, usually red or light red, most of them are hairy, and may be accompanied by itching and other symptoms. 4. Folliculitis: when the hair follicles in the areola area are infected, it can lead to folliculitis, which manifests itself as red papules or pustules centered on the hair follicles, i.e., raised bumps on the areola, which is less common. However, other factors can not be ruled out, it is recommended to consult a doctor in a timely manner, by the doctor to clarify the cause of the disease, to give targeted treatment.