For aim of indicating better model for use in career counseling with university Student a sample of 640 university students (321 m & 319 fm) from University of Isfahan was selected cluster-randomly, and Occupational Preference Form of Personal Globe Inventory performed between them. Results of randomization test of order relations in each of three groups (men, women, separately; men and women together, supported from better fit for Holland's model than Gati's model (in difference of fit, P=0. 01). In each groups, correspondence index (CI) of Holland's model was greater than 0. 70 (respectively CI=0. 72, 0. 75, & 0. 72, P=0. 02), but CI of Gati's model was respectively 0. 50, 0. 56, & 0. 50, (P>0. 05). Results didn't show any difference in model fit between Holland’ s and Gati’ s model cross sex (P>0. 05 for each model). Results supported from cross cultural validity of Holland’ s RIASEC model and structural validity of Occupational Preference form of Personal Globe Inventory. Some implications and suggestions were discussed.