Breast tumor diameter is less than two centimeters and benign does not need surgery, breast tumor tumor is too large or continue to grow when the need for surgical treatment. If the breast tumor is benign and less than two centimeters in diameter, it will seldom undergo malignant changes, and is mainly characterized by a slow growth rate, clear boundaries, a complete envelope, and generally will not spread and metastasis. If there are no symptoms and the tumor is small, it can be removed without surgery, but patients need to go to the hospital regularly for review to see if it is growing. When the breast tumor is too large or continues to grow, patients should still consider having it surgically removed to avoid malignant transformation of the breast tumor. Suspected mesenchymal breast tumors and large tumors need to be surgically removed. Patients with breast tumor growth are advised to go to the hospital for timely examination and treatment according to the examination results.