Sometimes a pins and needles sensation in the breast may be caused by breast hyperplasia, costochondritis, herpes zoster and so on. 1. breast hyperplasia: it is the hyperplasia and degenerative changes of breast tissue, closely related to endocrine function disorders, often manifested as breast pain, breast feel nodules, pins and needles sensation, and other symptoms. 2. costal fasciitis: it refers to the pathologic changes in the fascia and causes a variety of discomfort symptoms in the myofascia of the body, often with pain, muscle tension, muscle weakness, muscle spasm, skin numbness, movement disorders and so on. 3. Herpes zoster: manifested on one side of the body or face, appearing in clusters of blisters with band-like distribution, accompanied by localized pinprick pain. Sometimes there are pins and needles in the breast may also be mastitis, breast tumors and other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.