(The concept of SaaS has been put forward for nearly ten years and has always been concerned by others. After the financial crisis, SaaS has become one of the most concerned topics for corporate CIOs at this stage. However, the Internet based SaaS model is not perfect. Although SaaS is considered to be an important way to improve the informatization of SMEs and reduce the use of management resources, the business is increasingly optimistic, but in the past two or three years, SaaS is still in the # 38 position in China; ldquo; Call or not call # 38; rdquo; This document includes the following annexes:)