Abstract: The contrast experiment for the same shale sample after different drying temperature processing shows that the water loss rate of shale sample at 110 ℃ drying temperature is higher than that at 60 ℃, and the methane adsorption capacity at 110 ℃ is also much higher than that at 60 ℃. As a result, the drying temperature is obviously a very important factor influencing the shale methane adsorption capacity. Even so, the study indicates that the drying temperature mainly affects the shale adsorption capacity, but does not influence the mechanism of shale adsorption for the same shale sample, which suggests that higher drying temperature can remove the moisture in shale away and increase the porosity adsorpted in shale