Dr.Li Zuo Completed his Graduated from Peking University Medical Department in 1990, currently director of Nephrology Department, Peking University People’s Hospital. Specialized in blood purification, interested in chronic complications in chronic kidney disease, including CKD-MBD. Daily work is patients care, the spectrum of disease includes chronic glomerulonephritis, acute kidney injury. Currently several national grant and international grant, including timing of renal replacement therapy and patient outcome, dialysate sodium concentration and patients outcome, regular use of bioimpedance and patient outcome, mechanism of osteoporosis in chronic kidney disease.