A load balancing method to resolve a problem of load imbalance, where the method includes obtaining first status information of the first device and first status information of the second device, obtaining second status information of the first device and second status information of the second device, calculating a space occupation ratio of the first device and a space occupation ratio of the second device respectively according to the second status information of the first device and the second status information of the second device, determining a balancing policy according to the space occupation ratio of the first device and the space occupation ratio of the second device, and perform scheduling according to the balancing policy to implement load balancing between the first device and the second device.