There are many reasons why the breast nodes have become bigger, which can be seen in the following treatments: 1, enlarged lymph nodes, if the inflammation is obvious it will lead to the asymptomatic lymph nodes continue to increase in size, accompanied by pressure and pain, fever, need to carry out medication for anti-inflammatory, serious cases need to be removed surgically, advanced cancer will have lymph node metastasis, resulting in a sudden increase in the size of the lymph nodes that are not obvious, must go to regular hospitals to carry out chemotherapy. 2, breast fibroids, which can be caused by hormones in the body during puberty, pregnancy and breastfeeding, can be removed surgically during pregnancy. The disease will increase rapidly under the influence of hormones in the body during puberty, pregnancy and breastfeeding, which will affect the life seriously, and the fibroid can be surgically removed during the preparation for pregnancy. If breast fibroids become cancerous, they will also increase rapidly, and need to be surgically removed, and histopathological examination will be carried out to determine the treatment plan according to the benign and malignant nature.3. Breast Cancer, the sudden increase of cancerous nodules suggests that the healing process is not good, and it is necessary to actively seek medical treatment and hospitalization.