The pointing precision of the satellite laser ranging theodolite is a key factor

which affects the blind-tracking and daytime observation. It can be improved by observing the stars and thus meet the observation demands. A method of calibrating the pointing precision of the laser ranging theodolite by observing the stars is described in this paper. Firstly

the model of state parameters is established

which will affect the pointing precision of theodolite. And then

the state parameters are obtained via choosing and observing some stars. Finally

The calibrating result of laser ranging theodolite in Changchun Observatory is also presented in this paper.