Cloud computing contains four types to make the user easy to use for work or their purpose in life. The public Cloud, private Cloud, hybrid Cloud, and multi-cloud. The public Cloud uses for the public specific organization to sell the service, such as AT&T cloud, Google cloud, iCloud, etc. Besides, the private Cloud will prefer the company's security more than everyday life. To protect the essential data from the other company to stolen. The last one is the hybrid Cloud. It combines public and private sources. That is the definition and separate for cloud computing in Slovakia. In Germany, Cloud Computing is always the same.Nevertheless, the German public sector still uses it for many challenging benefits through their cases scenarios. For example, Cloud Computing is provided by NIST, DMTF, CCUCDG, and Microsoft. Moreover, nowadays, Cloud Computing uses google docs to store the data, instead of the Microsoft word on a Computer. In advanced, it is autosave and can share within the group to join to contribute depending on google clouds, not only for Docx but for slides and the other things for workplace and school. It is more become mobility now because we can download it into our phone for personal purposes to store the video and image when the phone over the Gigabytes of the storage, mainly iPhone just having 32GB or 64GB. Besides that, it does not need a considerable PC to contain the multiple data in one place, and we can share it on the Cloud on the Internet in private to easy move for working, studying, mailing. Especially for the over-storage data in the device, we often delete the necessary file incorrectly. Cloud Computing nowadays has the function of auto backup when having the Internet. It is beneficial for the curriculum and busy people.