Abstract: Chinese Mars explorer is planed to launch in 2009,for which the remote tracking network is preliminarily worked out. In this paper,the tracking coverage area of Mars explorer by this network is estimated. Then set a group of specific orbital parameters of a Mars' explorer are used to analyze the tracking efficiency of the network,and the results are present. Thirdly,the network is presented,a demonstration test has been done ,and the result is presented in this paper.