At present, the high pressure packer was researchers mainly in structure. Through the finite element ANSYS analysis can improve the packers’ structure to enhance packer ability of working pressure. At the finite element ANSYS analysis, great impact on the contact pair of parameter and friction coefficient setting, set not properly, the results and actually have very big difference. The analysis of this problem of the domestic and foreign many is insufficient, the author will analysis is the relationship between contact pair of parameter and the friction coefficient with the contact stress, find out the parameters fit with the actual. The paper according to packer-type is FGQ-C 9-5/8 “x 7” proceed packerrubber barrel and casing wall of the stress analysis using ANSYS software, the FKN and FTOLN parameters have been changed, it is concluded that the appropriate parameters through the contrast analysis, the calculation results complied with engineering practice.