QC seven practices in quality management work of the most basic is indispensable, plays an important role in the preliminary processing quality problem and data, through the understanding and use of QC seven tools, you can use simple methods to understand the process of performance. One of the most important tools in flux improved, early in the process of quality improvement, can help determine the phenomenon and the opportunities for improvement. In addition, management staff should not only master data analysis, more important is to identify problems, planning and coordination between the Department etc.. So the managers also have access to language information from various aspects, to collate ideas and using ability in practical work. The new QC seven tools can help to decompose the language data from various factors, entwined in chaos, grasp the key problem, looking for new ideas, measures and practical method.