Advanced mathematics drawing device

The utility model discloses an advanced mathematics drawing device, which relates to the technical field of drawing tools, and comprises a pen gauge, the upper side of the pen gauge is rotatably connected with a needle gauge, the lower side of the needle gauge is provided with a nail head, the bottom end of the needle gauge is provided with a storage groove, the length of the storage groove is greater than that of the nail head, the end part of the nail head is provided with a rotating block, and the rotating block is connected with the needle gauge. And one end of the rotating block is connected with the inner wall of the storage groove through a bearing. Through the arrangement of the rotating block and the rotating rod, the nail head can be driven to be contained in the containing groove by rotating the rotating rod so as to prevent the nail head from being exposed outside all the time, teachers and textbooks can be effectively prevented from being accidentally injured, and therefore the safety of the devi