This study included patients with glomerulonephritis who planned to receive rituximab treatment, and observed the efficacy and safety of rituximab in different glomerulonephritis in the real world. According to the pathological types of glomerulonephritis, they were divided into two cohorts : membranous nephropathy ( MN ) group or minimal change disease / focal segmental glomerulosclerosis ( MCD / FSGS ) group.