Abstract: In this paper, the current situation of the development of bio-methane engineering in Guizhou Province was expounded, the problems and difficulties in the development of bio-methane in Guizhou Province were analyzed, the collectable amount of crop straw resources in each city was counted, and the production potential of bio-methane was calculated, in hoping to provide reference for the preparation and utilization of bio-methane.

Key words: bio-methane, resource potential, crop straw