Jian Song graduated from the Department of Medicine of Shandong Medical University in 1995. He is currently the deputy chief physician of the Department of Nephrology, Qilu Hospital of Shandong University, a member of the Nephrology Branch of the Shandong Medical Association, and a member of the Nephrology Branch of the Shandong Research Hospital Association. Engaged in kidney disease for 20 years, familiar with the latest developments in this major at home and abroad, and has rich clinical experience in the diagnosis and treatment of various primary and secondary glomerular diseases, tubulointerstitial diseases, and acute and chronic renal insufficiency. He has also accumulated rich experience in the diagnosis and treatment of difficult and critical patients. More than 20 papers have been published in SCI and core journals, 3 books have been edited and 2 scientific research projects have been approved.