Control chart, also known as control chart. By the American Bell Telephone Laboratories Hugh Hart (WAShewhart) Dr. first proposed in 1924, after the use of control charts, it has become an important tool for scientific management, especially in terms of quality management has become an essential aspect of management tool. It is a kind of control limits chart to distinguish causes quality fluctuations are occasional or system can provide reasons for the existence of the information system in order to determine whether the production process in a controlled state. Control chart its use can be divided into two categories, one is used for control chart analysis, control chart analysis concerning changes in the production process quality characteristic values, QC seven practices trainers, to see whether the process is in a steady controlled like; then one is used for management control chart, Guangdong QC seven practices, the production process is mainly used to detect abnormalities that, in order to prevent defective products. Statistical management method is an effective tool for quality control, but in the application must be aware of the following issues, QC seven practices training company, otherwise there would not be the desired effect. These problems are mainly: 1) the data is wrong. Data is incorrect may be caused by two reasons, one man is misused data, and second, because no real grasp of statistical methods; collection method 2) data is incorrect. If the sampling method itself is wrong right again subsequent analysis is useless; 3) record data, copying is wrong; handle 4) outliers. Usually in the data obtained in the production process always contains some outliers, QC seven practices, which can lead to erroneous analysis results. Seven basic tools of quality seven tools: checklists, stratification method, Plato, cause and effect diagrams, scatter plots, histograms, control charts one, contents or item checklist checklist that will need to be checked to list, and then periodically or irregular itemized checks, recorded method and problems, sometimes called a checklist or point checklist. For example: check table, diagnostic table, working to improve the checklist, satisfaction survey, examination tables, audit table, 5S activity checklists, tables and other engineering anomaly analysis. 1. Be sure to check the constituent elements of the project ①; ② determine the frequency of inspections; ③ Be sure to check the personnel. 2, implementation steps ① determine the inspection object; ② develop checklists; ③ according to the checklist items to be checked and recorded; ④ to check out the problem in a timely manner to improve the requirements for liability; ⑤ inspectors within the stipulated time to confirm the effect of improving; ⑥ regular lessons, continuous improvement. Guangdong QC seven tools | half way | QC seven practices provided by enterprises in Huizhou City Road Enterprise Management Services Limited. Huizhou City, the rate of the Road Enterprise Management Services Ltd. (isoew.com) Guangdong Huizhou, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In half of the road leading staff warmly welcome all inquiries negotiations to create enterprises of the road better future.