With the rapid development of the Internet, a large number of data are constantly generated, accompanied by how to store, retrieve and manage them safely and effectively. Effective storage, efficient access, convenient sharing and security control of data have become a very important issue in the information age. The significance of data backup is that when network attacks, intrusions, power failures or operational errors occur, the original system can be completely, quickly, simply and reliably restored to ensure the normal operation of the system within a certain range. Here are 10 suggestions from Wuhan Cloud Summit based on years of practical experience.