PC protective sleeve capable of being provided with handwriting pen

The utility model discloses a PC protective sleeve capable of being provided with a handwriting pen, and relates to the technical field of protective sleeves. Comprising a PC protective sleeve body, an assembly is arranged on the side face of the PC protective sleeve body, positioning strips are arranged on the periphery of the PC protective sleeve body, a groove is formed in the PC protective sleeve body, a through groove is formed in the inner wall of the groove, a sealing piece is clamped in the groove, and a flange is arranged on the side face of the sealing piece. The combination part is arranged to fix the handwriting pen, the combination part and the PC protective sleeve body are combined, the handwriting pen and the tablet personal computer are combined, carrying and storage are convenient, during handwriting operation, the combination part can be combined on the back face of the PC protective sleeve body to form a supporting structure, the tablet personal computer is obliquely arranged, handwriting i