The invention relates to a mine belt conveyer state monitoring system, which belongs to the technical field of belt conveyers. The mine belt conveyer state monitoring system comprises a mine belt conveyer, an electromotor (8), a speed reducer (6) and a drive roller (2) in the mine belt conveyer are connected sequentially, and a conveyer belt (3) rounds the drive roller (2). The mine belt conveyer state monitoring system is characterized in that sensor units are arranged on the mine belt conveyer, the sensor units are connected with the input ends of a data acquisition device (5), and the output end of the data acquisition device (5) is connected with an upper computer. Since the sensors are mounted at a number of positions on the mine belt conveyer and the data acquisition device acquires and uploads signals outputted by each sensor, when the output of the sensor at a certain point exceeds a threshold, early warning is carried out in time, and workers can conveniently find the corresponding monitoring point on the mine belt conveyer according to the position of the preset acquisition point to perform the diagnosis, confirmation and maintenance of failure, so that severer failure can be prevented.