The book is divided into three chapters, the first one is the standard operating procedures for the management of blood purification units (centers), which introduces in three chapters the establishment standards, qualification recognition, structural layout, personnel qualification standards, and specific operating procedures for infection control of hemodialysis units (centers) and peritoneal dialysis units (centers), and focuses on the need to separate patients with combined viral hepatitis C from patients with separate machine therapy and the need to avoid reuse of dialyzers and filters. The second one is the standard operation procedures for maintenance and management of dialysis fluid and equipment for blood purification, which is divided into 4 chapters to elaborate the standard operation procedures for dialysis water, dialyzer and filter reuse, dialysis equipment maintenance and dialysis fluid preparation, and clarify the quality of dialysis water, the reuse standards of dialyzers and filters, the disinfection of dialysis machines and some ambiguities in the clinical understanding in the preparation of dialysis fluid; the third one is the clinical operation and standard operation procedures for blood purification. purification clinical operations and standard operating procedures, in 11 chapters, detailed and specific standardization of vascular access establishment, blood purification anticoagulation therapy, hemodialysis, hemofiltration, hemodialysis filtration, continuous renal replacement therapy, simple ultrafiltration, plasma replacement, plasma adsorption, hemoperfusion, as well as peritoneal dialysis, highlighting the importance of the assessment of the various operations prior to the treatment and emphasizing the standardization and standardization of treatment based on individualized treatment. It highlights the importance of pre-treatment evaluation of various operations, and emphasizes individualized treatment based on standardized and standardized treatment. For the convenience of clinical staff, the Standard Operating Procedures for Blood Purification has set up an appendix, which provides detailed calculation formulas, samples of medical documents and operation flow charts commonly used in the process of blood purification treatment.