The utility model relates to a quick hole sealing device of liquid carbon dioxide phase transition blasting, pressing including the water injection and annotating device high -pressure rubber pipe connection hole packer, characteristics lie in: the water injection press to be annotated the device and is established the base by the liquid reserve tank bottom, and the top is established inlet, handle, is taken the pressurization hand (hold) of gas injection function piece, and the front portion is established one -way stop valve and is connected the high -pressure rubber pipe and constitute, andthe hole packer is equipped with preceding end cap by the expansion glue bag of the outer cuff belt storing pipe of center tube, expansion glue bag front end inside and outside, and the outside is equipped with preceding sheath, the inside rear plug that is equipped with in expansion glue bag rear end, and the outside is equipped with the back sheath, and storing pipe rear end is equipped with the thing pipe that advances of taking the visor and constitutes. The hole sealing method is still disclosed. A method of quick hole sealing device of liquid carbon dioxide phase transition blasting simple structure, the hole sealing convenient, the hole sealing is fast, efficient, and low in labor strength is with low costs, and is effectual, hole packer repeatedly usable, less investment.