概要介绍了SQC技术的基本内容及其在涡轮叶片质量改进全过程中的应用实例。以事实说明了SQC统计质量控制技术在质量改进中 ,可以使生产过程处于受控状态 ,降低产品的不合格率 ,大大提高产品质量 ,它是质量改进过程中十分重要的工具。 The basic contents of SQC technology and its application examples in the whole process of turbine blade quality improvement are outlined. The facts show that the SQC statistical quality control technology in the quality improvement, can make the production process in a controlled state, reduce product failure rate, greatly improve product quality, it is a very important tool in the process of quality improvement.