Back to 10 years ago, there is no cloud computing services provider. If developers want to create an application, they have to host a server in the data center. And the cost is relatively high to stopping individual developers to create applications. Since cloud computing became popular, it allows developers to set up the server at a very low cost. It allows individual talent to create applications. A lot of applications are incubated by cloud computing. Nowadays cloud computing dominates the all different area likes infrastructure, platform evening software. We have iaas, paas and sass. Enterprise is reducing their manpower in infrastructure and platform to DevOps. It reducing a lot of operation difficulty and increase the efficiency of delivering software application. In 2021, we are still seeing the cloud computing services provider rapidly growing.