On December 10, the first sub-forum of the Greater Bay Area Science Forum-Nanoscience Sub-forum was held in Guangzhou. More than ten academicians gathered to talk about the current status, opportunities and challenges of the development of nanoscience. Wang Yingjun, Academician of the Chinese Academy of Engineering and Dean of Guangdong Research Institute of New Biomaterials and High-end Medical Devices, gave a speech on "Nanotechnology and Regenerative Medicine". She said that nanotechnology can integrate AI, 3D and other enabling technologies to develop precision repair smart technology, so as to accurately diagnose and treat patients with ankylosing spondylitis and other refractory patients in clinical research.