Disclosed is a method for displaying information about a physical game character, comprising: obtaining information about a physical game character; according to the information, controlling an LED light emitting device to emit light of a corresponding mode. The display method employs the light from the LED light emitting device to display information about a physical game character. The LED light emitting device can be directly fixed to a physical game character such that information about the physical game character can be directly obtained. For example, the LED light emitting device can directly display hit point status information on the physical game character, allowing a viewer to view the hit point status information of the physical game character. In addition, the display method can use the LED light emitting device to emit light of different modes to display different types of information of the physical game character, thus having wide applicability. Also provided are a device for displaying information about the physical game character, and a remote control tank employing the display device.