Renal puncture is a test, not a disease. When kidney-related diseases occur, kidney puncture is needed to clarify the specific type of pathology, so as to determine the prognosis and formulate a treatment plan. For example, if a patient develops an unexplained kidney injury, or develops a disease such as nephrotic syndrome, the diagnosis can be further clarified by kidney puncture biopsy. Renal puncture is an invasive test, so before puncture, blood pressure, coagulation function, platelets and other indicators need to be assessed to prevent bleeding and other complications. After the puncture, bed rest is required for 24 hours, and strenuous exercise is avoided for one month. In clinical practice, kidney-related diseases are very common, and early stage of the disease can usually be treated with regular medication to achieve clinical remission, while many kidney diseases develop to the final stage of uremia, requiring dialysis treatment.