This article made an analysis of legal study on the faculty’s promote system on the University of R.O.C in the aspects of appointment. First, the faculty’s promotion belongs to licensing requirement. Second, the committee of teacher of public school power is due to the state power but the committee of teacher of private school power is due to the commission of the state. The third part is mainly the comments on the promotion faculty’s publications and should respect the independence of expertise. The last point is that the litigation of the faculty’s promotion ought to apply to the theory of authorized discretion.