These days the nipple pain can be considered to have three kinds of situations. First, when in the physiological period, due to endocrine hormone disorders caused by nipple congestion and enlargement, when touching or external stimulation can appear nipple pain discomfort, mostly normal physiological phenomenon; Second, breast hyperplasia, mostly in women of childbearing age, manifested as breast swelling and pain and accompanied by nodule-like hyperplasia, when the pain is severe nipple distension can be caused by reflex; Third, acute nipple inflammation, more than a history of clear nipple trauma, when external forces on the nipple tissue caused by acute inflammatory changes. When the external force on the nipple tissue caused by nipple congestion and edema, acute inflammatory changes, pain is obvious when touched. In short, there are many reasons for nipple pain, when nipple pain should be timely to the regular medical institutions, clear cause of pain and actively cooperate with the specialist’s treatment, can be cured, will not cause serious clinical complications.