A stylus receiving mechanism includes a handle whereon a first opening and a second opening are formed on two ends. A chamber is formed inside the handle for receiving a stylus. The stylus receiving mechanism further includes a fastening part installed on an inner wall of the handle and disposed on a side of the chamber for pressing the stylus in a third direction perpendicular to a first direction for fastening the stylus inside the chamber after the stylus passes through the first opening in the first direction or passes through the second opening in the second direction opposite to the first direction to be received inside the chamber.