Takeout box with good heat preservation performance

The invention discloses a takeout box with good heat preservation performance. The box comprises an outer shell and an inner shell, wherein the inner shell is fixedly arranged in the outer shell, a cover plate attracted to the inner shell is arranged at the top of the outer shell, a plurality of conductor rods are fixedly arranged on the inner wall of the outer shell, the plurality of conductor rods are arranged around the inner shell, and wires are wound around the outer sides of the conductor rods; and a cavity is further arranged in the outer shell, rotating blades are rotationally arrangedon the inner wall of the cavity through rotating shafts, openings communicating with the cavity are formed in the outer wall of the outer shell, the positions of the openings correspond to the positions of the rotating blades, an induction power generation device is further arranged in the cavity, the induction power generation device is electrically connected with the wires, the rotating shaftsof the rotating blades are