The appearance of small bumps around the nipple may be related to folliculitis, Montgomery’s nodule, breast fibroma and so on. 1. Folliculitis: Folliculitis is an inflammatory skin disease that mainly involves hair follicles, and folliculitis may occur in any part of the body where there are hair follicles. Folliculitis may grow around the nipple, causing small bumps to appear around the nipple, which can be accompanied by pain and itching sensations. 2. Montgomery’s nodes: Montgomery’s nodes are located in the periphery of the areola and are caused by a bulge at the opening of the Montgomery’s gland duct. Montgomery’s nodes cause darkening of the areola and hypertrophy of the sebaceous glands around the periphery of the areola to form small, scattered nodular bumps. 3. Breast fibroma: Breast fibroma is a benign tumor composed of a mixture of both glandular epithelium and fibrous tissue. A common symptom is a painless lump in the breast that may grow around the nipple. In addition, nipple eczema-like breast cancer, mastitis, breast cancer and other diseases may produce similar symptoms, it is recommended that patients with small bumps around the nipple as soon as possible to the hospital to do the relevant examination, to clarify the causes of the disease, and then accept the doctor’s targeted treatment.