The utility model discloses a file pocket with an internal interlayer, and belongs to the technical field of file pockets. The file pocket with the internal interlayer comprises a storage mechanism, a storage mechanism is arranged on one side of the storage mechanism, the storage mechanism comprises a pocket body, a zipper capable of being opened and closed is arranged at the upper end of the pocket body, the interlayer is installed in the center of the bottom end of the interior of the pocket body, the two ends of the interlayer are connected with the two sides of the interior of the pocket body respectively, and the storage mechanism is connected with the storage mechanism. A folding bag is installed on one side of the interlayer, a pair of sundry bags is fixedly installed on the inner side of the bag body, limiting belts are installed at the positions, located at the upper ends of the sundry bags, in the bag body, the storage mechanism comprises a storage bag, one side of the storage bag is connected with the outer side of the bag body, a sealing cover is installed on one side of the upper end of the storage bag, and the sealing cover is connected with the storage bag. According to the file pocket, the practicability of the file pocket can be effectively improved, and the file pocket has high practical value.