There are many reasons for breast pain after milking, specifically analyzed as follows: 1, lactation pain, breast milk are discharged after lactogen will stimulate the breast production of milk, breast will have a tingling sensation, belong to the normal physiological manifestations. 2, mammary hyperplasia, estrogen stimulation leads to mammary hyperplasia formation of hard lumps appear tingling and swelling, if the pain is obvious can be a hot compress, but can not be massaged, the serious can be in the physician’s guidance to take mammary fetish elimination or free pills to regulate. 3, mammary fibroids, tumor body will rapidly increase in pregnancy and nursing, occasionally visible tingling sensation, once the period of service can not be breastfeeding. Under the guidance of a physician to take breast quenching or free pills to regulate, not breastfeeding during the period of medication. 3, breast fibroids, tumors in pregnancy and breastfeeding will rapidly increase in size, and occasionally tingling sensation can be seen, once the disease is found to need active surgical treatment. 4, breast cancer, cancer patients will have breast pain, nipple overflow, the need for early surgical resection of the breasts, postoperative chemotherapy.