Dr Xu was educated and trained in Clinical Medicine (E.N.T department) at Nanjing Medical University in 2004, and obtained the Master's degree in Ophthalmology in 2015. He has been in ophthalmic clinical practice for 14 years in the affiliated Ophthalmology Hospital of Nanjing Medical University. He was participator of multiple National Natural Science Foundation of China and Jiangsu provincial Natural Science Foundations. More than ten professional papers have been published.