1.Pursuing various blood purification techniques Our department has carried out various blood purification techniques for acute and chronic renal failure, drug poisoning, hyperkalemia, acute left heart failure, etc. at an early stage. Various vascular access methods such as deep vein placement (temporary and semi-permanent) and arteriovenous fistula are well established, and patients from surrounding areas come to us for consultation. 2.Consultation and treatment of various nephrology diseases such as urinary tract infection, primary and secondary glomerulonephritis, acute kidney injury and chronic kidney disease 3.Conducting percutaneous renal puncture biopsy The ward normally conducts percutaneous renal puncture biopsy with a success rate of 100%, which solves the inconvenience of patients going out for medical consultation. 4. Carry out total parathyroidectomy plus autologous forearm transplantation for secondary hyperparathyroidism Carry out total parathyroidectomy plus autologous forearm transplantation for secondary hyperparathyroidism to relieve skin itching and severe bone pain with remarkable efficacy. She has very rich experience in blood purification and vascular access especially in the elderly. Currently the oldest of the dialysis patients is 100 years old.