(Nowadays, the popularity of SaaS can be described as "suddenly like a night of east wind, thousands of pear trees bloom". For a time, it became a hot topic for enterprise managers. Especially for small and medium-sized enterprises, the emergence of SaaS is nothing less than a bright spot for managers who wander between traditional software and large ERP. After all, what kind of charm SaaS has has made 45 million managers of small and medium-sized enterprises in China shake hands. This data includes the following annexes:)