The invention discloses a notebook computer rotation shaft, belonging to the technical field of rotation shaft devices. The notebook computer rotation shaft is composed of a pivot and a fixing part, wherein the pivot is arranged at one end of the notebook computer rotation shaft, and the fixing part is arranged at the other end. The notebook computer rotation shaft is characterized in that the cross section of the pivot is cylindrical, the pivot is provided with an oil deflecting structure formed by sheathing a metal sheet on the on the pivot, and the metal sheet is evenly provided with a plurality of grid holes; the circumstance of the tail end of the pivot is circularly provided with saw teeth; the fixing part of the rotation shaft is a surface plate on which more than two lever holes connected with a computer in a locked mode are provided; the fixing part is a plurality of threaded rods which fit screw holes of the computer in a fixed mode. Besides, the notebook computer rotation shaft is made of medium carbon steel or high carbon steel materials. The notebook computer rotation shaft of the invention has the advantages of simple structure, low cost, quick heat dissipation, goodwear-resistant performance, higher hardness and the like, and can be used for moveably connecting an upper cover and a base of a notebook computer.