Texutre　evolution　of　1235　aluminum　alloy　deformed　at　different　strain　rates　was　studied　by　dynamic　thermal-simulated　technology　with　the　aid　of　some　modern　analytical　and　testing　technique　called　election　backscatter　diffraction　(EBSD).　The　results　showed　that　the　effect　of　strain　rate　on　grain　boundary　and　deformation　texture　of　1235　aluminum　alloy　was　obvious.　At　deformation　temperature　for　400　degrees　C　and　distortion　for　50%,　the　value　of　the　maximum　density　level　came　to　the　minimum　by　11.489　at　the　strain　rate　for　0.01s(-1).　The　texture　was　weaker　for　the　grains　were　less　likely　to　rotate.　The　relative　volume　of　textures　increased　as　the　strain　rate　increasing.　The　relative　volume　of　textures　was　merely　1.95%　at　strain　rate　for　0.01s(-1)　but　ascended　to　5.4%　at　strain　rate　for　50s(-1).