October 18 is the breast cancer prevention and control publicity day. Breast cancer is a common cancer among women all over the world, which seriously threatens their physical and mental health. Clinically, the diagnosis of lesions deep in the breast and less than 5mm in diameter is insufficient, and breast minimally invasive rotary biopsy technology can solve this problem. People's Daily Online invited Guo Rende, director of the Department of Surgery for Nail and Mammary Hernia of Tianjin First Central Hospital, to interpret online what is minimally invasive breast biopsy technology and the advantages of minimally invasive breast biopsy technology.