The invention provides an energy-optimized resource allocation system for a wireless communication system based on cloud processing. The system comprises an information collection module, a network power distribution module, an interference processing module and a virtual machine allocation module, wherein the information collection module is used to collect channel information and send the channel information to a cloud baseband processing center, and the channel information includes high-speed network channel information and wide area network channel information; the interference processingmodule is connected to the information collection module, and is used to eliminate the signal interference of the system in the cloud by using the high-speed network channel information and the wide area network channel information; the virtual machine allocation module is connected to the information collection module, and is used to allocate virtual machine resources to network users in the cloud; and the network power distribution module is connected to the virtual machine allocation module, and is used to allocate transmission power of all users. According to the scheme of the invention, the allocation of cloud computing resources and power resources can be optimized, the power consumption of the system can be reduced, and the system performance can be optimized.