A cloud processing system is disclosed. The cloud processing system comprises a client, a cloud server and a cloud agent device. The cloud agent device connects with the client and the cloud server. The cloud agent device is used for receiving a cloud processing request message sent from the client and replacing the cloud server to provide cloud services to the client. A cloud processing method, a cloud computing agent device, a cloud storage processing device and the client are also disclosed. With the method, the devices and the system provided by the solution, information security in cloud processing is improved.
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