Abstract:High Capability Maturity Model Integration model emphasizes the process of stability and application of quantitative management and statistical management, and quantitative management is to establish a perfect measurement system. This paper attempts to introduce some methods and tools which support quantitative management, from the process execution, quality, and effort deviation. Through the using these methods and tools, my enterprise got accurate statistics, and continuously improved the level of quantitative management, thus help enterprise improve process and enhance process stability.