Reporting statistics is a common and important management aspect in production by machine tool. The traditional method is that the measurement crew measure a value with instruments, and then manually fill out the results to the record sheet or computer, then the results will be structured and printed for archive. This method is time-consuming and laborious. In order to save time and manpower, improve production efficiency, taking pneumatic measuring instrument as the object, VC++ and Excel were used to realize the measurement data automatic input, real-time chart display and automatical data archive. The system is stable, reliable, and has been praised by users. This method can be used for other similar applications.