Guangyi Liu, Doctor of Medicine, graduated from Zhejiang University. post-doctor of New York University and University of California, USA. The Youth Deputy Chairman of the Nephrology Branch of Shandong Medical Association, The Youth Deputy Chairman of the Parathyroid and Bone Metabolism Branch of the Chinese Research Hospital Association, and the Standing Member of the Nephrology Branch of the Shandong Research Hospital Association. Mainly engaged in the diagnosis, treatment and research of primary kidney disease, secondary kidney disease and hereditary polycystic kidney disease. Also has extensive experience in the diagnosis and treatment of critically ill nephrology. At present, he has been approved as an applicant for 6 national and Shandong Provincial Science Funds. Winner of the National Postdoctoral Overseas Dispatch Program. The main research results have been published in more than 20 international journals and more than 10 domestic core journals.