Remote under-ice depth-keeping blasting icebreaking system and using method

The invention relates to a remote under-ice depth-keeping blasting icebreaking system and a using method, the remote under-ice depth-keeping blasting icebreaking system comprises a load-carrying unmanned aerial vehicle, a hoisting lock and an icebreaking cartridge bag, the load-carrying unmanned aerial vehicle is provided with the hoisting lock, the hoisting lock comprises a safety rope and a load-carrying rope, and the safety rope and the load-carrying rope are connected to the icebreaking cartridge bag; the device further comprises a medicine bag releasing device, a remote controller and an underwater medicine bag depth setting device, the remote controller is wirelessly connected with the medicine bag releasing device, and the underwater medicine bag depth setting device is connected with the icebreaking medicine bag through a hoisting lock. The underwater explosive bag depth-keeping device comprises a rope locker, a depth-keeping pipe and a supporting frame, the rope locker is arranged on the depth-keepin