With the rapid development of coal mine automation, the main coal flow transportation system of coal mine has also realized the centralized control of comprehensive automation, but the number of relevant personnel has not been reduced on the job. The main constraint factor is the blocking of the transfer point of the main coal flow belt conveyor. This paper mainly based on the situation of transfer blocking of the main coal flow belt conveyor transportation system in the suburban coal mine, and according to the on-site treatment method, designs and transforms a kind of anti-blocking device for the transfer point of the belt conveyor, gradually realizes the remote control to deal with the problem of transfer point blocking of the belt conveyor, fully liberates the on-site staff, and realizes the reduction of personnel and efficiency.