In this paper we have studied the use of multistage remote sensiny image information by sampling of the multistage unequal probabilities （sampling with probability proportional to size） to do the forest resources inventory.In is verified that this method is efficient in the forest resources inventory of large areas. Besides

to monitor the change of the forest resources

it is also worth to recommend as a technical method. The adventages of this method lie in the fact that the aeronautical and spacial remote sensing information is combined together

and furthermore the remote sensing and sampling too. Thus

it fully develops the potential abilities of remote sensing information.