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This utility model relates to the field of intangible cultural heritage shadow puppet protection technology, and discloses a room temperature protective cabinet for intangible cultural heritage shadow puppets. The cabinet includes a cabinet body, a cabinet lid hinged to the top of the cabinet body, and multiple placement plates connected to the inner wall of the bottom of the cabinet body via a limiting component. The limiting component includes limiting rods fixedly connected to the four corners of the inner wall of the bottom of the cabinet body, and sliders fitted onto the outer walls of the limiting rods. Multiple partitions are fixedly connected to the inner walls of the top of the placement plates, and multiple pressure blocks are engaged with the outer walls of the partitions. A support shell is connected to the bottom of the cabinet body via an installation component, and ventilation meshes are fixedly connected to the four sides of the outer walls of the support shell. In this utility model, by using sliders fitted onto the outer walls of the limiting rods, the horizontal direction of the placement plates is restricted when they are inside the cabinet, preventing movement. When multiple placement plates are stacked, the topmost placement plate is pressed tightly against the bottom of the cabinet lid, restricting the vertical direction of the stacked placement plates and ensuring that the shadow puppets do not move and be damaged inside the cabinet.