The invention belongs to the field of lifesaving equipment, and provides a double-layer liquid storage type rescue capsule. The double-layer liquid storage type rescue capsule comprises a closed shelland a living capsule body disposed in the closed shell, the closed shell comprises a door body and a protective shell, wherein the protective shell comprises a metal outer shell and a metal inner shell, the metal outer shell and the metal inner shell are connected by a plurality of threaded pipes, and stored liquid is stored between the metal outer shell and the metal inner shell in a sealed mode. The living capsule body and the metal inner shell are connected by a platform rail, and the platform rail comprises an outer circular ring, an inner circular ring and two connecting parts arranged between the inner circular ring and the outer circular ring, each connecting part comprises a connecting flange, a bearing, a roller fixing part and a roller, the rollers are arranged in the circular track and can be freely slid along the circular track, one ends of the roller fixing parts are connected with the rollers, the other ends of the roller fixing parts are connected with the connecting flanges through the bearings, and a balance weight is arranged at the bottom of the living capsule body. The double-layer liquid storage type rescue capsule can ensure the life and safety of personnel in a certain period of time, and can be widely applied to the field of coal mine rescue.