Ground stress is an important control factor of permeability, high productivity wells are distributed mainly in the relatively less minimum principal stress areas, the ground stress character has important guidance meaning to the prediction of high productivity zones. The authors analyze the control mechanism of the modern tectonic stress field on the physical properties of coal reservoirs in the research area. With principal stress difference increasing, permeability increases sharply in exponential form, and reservoir pressure rises in logarithmic form. Ground stress gradient in well test has correlation with permeability and reservoir pressure, but it disperses widely. Three favorable CBM reservoir-forming types are predicted: High principal stress difference Stagnant trap-Shallow buried CBM reservoir forming type in the Daning Panzhuang-Fanzhuang zone; Medium principal stress difference-Slow flow trap-Medium buried CBM reservoir forming type in the Qinahui zhengzhuang North Fanzhuang and Qinyuan-Anze zone; and Medium principal stress difference Slow flow trap Deep buried CBM reservoir-forming type in the North Zhengzhuang and East Qinyuan-East Anze zone.