In the past, diagnosis and treatment of breast lumps often required an incision on the surface of the breast, which often left varying degrees of scarring after the procedure. In the case of people with scarred bodies, the scars would be more obvious. It can be difficult for women to accept. Nowadays, minimally invasive surgery can be used, only need to make a small incision of 3~5mm on the breast, insert the minimally invasive rotary excision needle into the breast, close to the lump and then activate the rotary excision needle to cut off the diseased tissues bit by bit, and the negative pressure suction device synchronously suction the diseased tissues that are cut off out of the body. The procedure takes only about 30 minutes. Minimally invasive surgery is very safe, and due to the small incision, there is almost no scar left after the operation, and the cosmetic effect is good. Patients can be discharged from the hospital after 1 to 2 days of post-operative observation. Because the surgery is performed under ultrasound guidance, it is possible to remove small lesions within the breast that cannot be reached by the surgeon’s hand. For such small lesions in the breast, ordinary open surgery would cause more damage to the breast glands. However, at present, this minimally invasive method has its drawbacks, such as: the price is relatively high, large lumps or particularly superficial, subareolar lumps are not suitable, etc.. A good method, well used, will lead to good results.