The invention provides a deep sealing type hole sealing device which can solve the technical problem that a traditional hole sealing device is complex in process and cumbersome in operation. The deep sealing type hole sealing device comprises a suction pipe and a grouting pipe, wherein the suction pipe and the grouting pipe are arranged in parallel, two sealed bags are arranged at the two ends of a hole sealing segment of the suction pipe and the grouting pipe respectively, the bag close to a hole opening is a hole opening bag, the bag close to a hole bottom is a hole bottom bag, the bags wrap the suction pipe and the grouting pipe, the tail end of the grouting pipe is sealed and arranged at the bottom of the hole bottom bag, a one-way valve is arranged at the position, in the corresponding bag, of the grouting pipe, and an explosion valve is arranged between the two bags. The deep sealing type hole sealing device further comprises a floral pipe, wherein the floral pipe is provided with a plurality of notches, one end of the floral pipe is fixed to the outer portion of the bottom of the hole bottom bag, a sharp cone is arranged at the other end of the floral pipe, the tail end of the suction pipe stretches out of the bottom of the hole bottom bag to be connected into the notches of the floral pipe, and the end, close to the hole bottom, of the suction pipe is provided with a plurality of holes. According to the deep sealing type hole sealing device, casing installation, hole sealing and drainage are integrated, so that convenience is achieved, and operation procedures are reduced.