The invention relates to a remote control system for a coal mining machine. The system comprises the coal mining machine. The working state of the coal mining machine is transmitted to an onboard control system and an onboard image acquiring system. Upon receiving the working stateinformation, the onboard control system transmits the working state information to a signal converter through a ZigBee wireless communication and transmission module. The onboard image acquiring system transmits the working state image information to the signal converter through a WiFi wireless communication and transmission module. The signal converter converts received signals into electric signals and transmits the electric signals to both a ground control center and a coal mining machine simulator through wired transmission media. The ground control center conducts information interaction with a cloud server through an Internet networking module. The cloud server conducts information interaction with a remote control terminal through the Internet networking module. The ground control center transmits control signals from the remote control terminal to the signal converter through wired transmission media and the signals are converted into wireless signals. The wireless signals are then transmitted to the coal mining machine to control the working of the coal mining machine through the ZigBee wireless communication and transmission module and the onboard control system.