New thirty-three hybrid F1 of the Sacchrum species were evaluated by the grey closeness degree. The results showed that the order of the frontal ten was 09-162、09-167、09-164、09-172,09-167-1,09-174,09-167-2,09-161,09-179 and 09-166. There are nineteen materials exceeding ROC22 and YT93-159.Thise is accord to the trial observing. The result of the grey closeness degree analysis is completely same to the identical degree analysis , and basically same to gray correlation degree . The grey closeness degree analysis is a good method.