With the change of people’s lifestyle and diet structure, more and more young women find swellings on their breasts, the size of rice grains, soy beans, peanuts, etc., some single, some multiple, some with pain, red skin, some with nipple overflow, some without pain, while some will cause nipple depression, skin “orange peel-like “orange peel” changes. Let’s see what these swellings will actually be. 1, breast fibroadenoma: the most common kind of tumor in young women, patients often inadvertently found painless breast mass, slow growth, accelerated growth during pregnancy and lactation, smooth surface of the mass, tough texture, clear borders, good activity, the tumor is mostly 1-3cm, there are also more than 10cm. The treatment principle is surgical excision. The prognosis is good. 2.Breast enlargement nodules: mostly occur in middle-aged women, and mostly occur bilaterally at the same time, accompanied by pain, lump size and pain often fluctuate with menstruation, occasionally see nipple overflow. Treatment: Observation or drug treatment. The prognosis is good. 3. Breast cysts: they appear as breast masses, unilateral, located in the peripheral parts of the breast outside the areola area, round or oval, with smooth surface, clear borders, soft texture, and ultrasound manifestations of echogenic structures with envelope. There are many different types, the most common being cumulus cysts and simple cysts. Small asymptomatic cysts can be temporarily observed, while large cysts or the appearance of symptoms can be treated surgically. The prognosis is good. 4.Breast cancer: It is usually a painless lump with fast growth. In the more advanced stage of breast cancer, the nipple is sunken and the skin has an orange peel appearance. The treatment methods include surgery, chemotherapy, radiotherapy, endocrine therapy and so on. The prognosis varies. These swellings can be good or bad, and are mostly associated with endocrine disruption due to emotional stress, staying up late, excessive fat diet, and excessive estrogen intake, so many causative factors are overwhelming. However, at present, early detection, early diagnosis and early treatment are the best methods of prevention. The methods of early detection include physical examination, ultrasound and mammography. If you find a breast swelling, you should seek medical attention early.