Medicine low-temperature storage box with good sealing performance

The utility model relates to the technical field of medicine preservation, and provides a medicine low-temperature preservation box with good sealing performance, which comprises a low-temperature box body, one side of the low-temperature box body is hinged with a sealing door, and one side of the sealing door is detachably connected with a sealing ring; a sealing groove is formed in one side of the low-temperature box body, and a sealing gasket is embedded in the low-temperature box body through the sealing groove; an elastic assembly is arranged on one side of the sealing door, one end of the elastic assembly penetrates through the sealing door to be fixedly connected with a rectangular plate, a convex frame is fixedly installed on one side of the rectangular plate, and the convex frame and the sealing groove are connected in a clamped mode. Through arrangement of a sealing ring, an elastic assembly, a limiting plate, a rectangular plate, a convex frame, a sealing groove and a sealing gasket, the sealing ri