Kidney tissue removed by renal puncture biopsy undergoes dehydration, fixation, sectioning, staining and diagnosis outside the body, and the whole process takes about five working days to produce a complete diagnostic pathology report. Prior to renal puncture biopsy, the patient is fully informed about the need for the puncture procedure and is made aware of the procedure and the possible risks. When the patient agrees to perform the puncture, there are a series of preoperative preparations: let the patient exercise urinating on the bed surface; let the patient practice the prone position; to carry out adequate publicity; in the night before the puncture to give the patient appropriate sedation, so that they do not need to be too nervous, to maintain the stability of the blood pressure, the patient after the puncture for a period of time to avoid strenuous exercise and heavy labor, after the operation there will be a short period of lumbar pain, which can also be relieved after sufficient rest. It can be relieved after sufficient rest.