According to the different simulation degree of hydrophobicity of spontaneous combustion of coal sample process,took No.6 coal seam in Cuijiazhai Mine of Yuzhou as example,coal seam mining process research in recovery on the effects of hydrophobic spontaneous combustion of coal was  Carried out , by examining changes in coal samples coal temperature, CO generation, CO2 and O2 generation consumption variation law, it was drawn that high water coal mine hydrophobic in Yuzhou mine affected the spontaneous combustion of coal, which had a positive role in guiding mine safety production and forecasting spontaneous combustion fire.