The vertical superconducting waste cracking gasifier is composed of three parts: a double-tube furnace body, a stirrer and a burner. It is characterized in that the double-layer tube furnace body is connected by two layers of round tubes and a double-layer round head to form a cup-shaped superconductor. The double-layer round head of the cup-shaped superconductor cup is equipped with high-temperature superconducting working fluid, and the cup-shaped superconductor inner tube wall is installed. Several radiating fins, the outer tube wall is wrapped with a high-temperature insulation layer, the furnace cover is equipped with a feed tube with a valve and a water nozzle, the burner is placed in the lower furnace base of the double-layer round head, and the agitator is placed in the furnace body In the middle part, the upper end is connected with the drive motor through a clutch and a reducer. Burners use garbage cracking and gasification furnace to produce gas in the lower part of the cup-shaped superconducting furnace body, and the generated radiant heat can be quickly and evenly transferred to the garbage in the furnace body through the cup-shaped superconductor and superconducting agitator, completing the efficient pyrolysis and gasification of the garbage. The temperature in the waste reaction zone of the cracking furnace is balanced, which avoids the risk of bonding, bulging, agglomeration, and coking of the waste in the traditional cracking furnace due to local overheating, shielding the release of harmful cracking products, and preventing the production of dioxins and cracking. The solid residue can be used as a chemical raw material, and the comprehensive economic benefits are obvious.