For a large database, the amount of information that needs to be processed internally is also very large. Using traditional database processing technology will not only cause low processing efficiency, but also difficult to ensure accuracy. In the aspect of cloud computing, not only the computing processing speed is very fast, but also the data reliability can be greatly improved by technical means, with low error rate. It is applied in the process of processing various unmanned system information, meeting the instantaneity and high accuracy required by unmanned technology. In the actual unmanned driving process, it is necessary to calculate the real-time speed information of each unmanned vehicle node, travel time, and vehicle route planning, all of which require extremely high computing speed to ensure the real-time safety of the vehicle. As a cheap and efficient computing scheme, cloud computing can be widely applied in the processing of these information to ensure the smoothness and safety of the unmanned driving system.