Information storage device based on RFID

The utility model discloses an RFID-based information storage device comprising a protection frame, one side of the protection frame is fixedly connected with a protection shell, soft plastic plates are symmetrically connected in the protection frame, a memory is arranged in the protection shell, the outer side of the protection shell is rotatably connected with overturning covers, the overturning covers are symmetrically arranged on the outer side of the protection shell, and the overturning covers are provided with shaft grooves. A limiting mechanism used for protecting the storage device is arranged on the outer side of the overturning cover and comprises a limiting hoop, one end of the limiting hoop is rotationally connected to the outer side of the overturning cover through a side shaft, the side shaft is fixedly connected to the outer side of the overturning cover, and a clamping assembly is arranged on one side of the overturning cover. The telescopic state of the memory can be adjusted through the ove