The first of these is cystic hyperplasia of the breast. The typical clinical manifestations are the onset of the menstrual cycle, or the consumption of spicy, greasy or irritating foods, and the manifestation of breast swelling and discomfort during the menstrual period, or even the formation of a lump. The lump can be relieved after the menstrual cycle, and the swelling and pain can be relieved. The second condition that requires high alert is breast cancer. Its typical clinical manifestation, that is, painless lump in the breast area, hard texture, indistinct boundary and poor mobility.