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Objective: To examine the relationship between cross-ethnic friendship and cross-ethnic face per- ceptual memory in the regions where the population ratios of the Uygurs and the Hans are different Methods: According to demographic criteria, 33 Han college students with lower contact with Uygurs from the area where Uygur and Han population ratio was 1 ： 9, 32 Uygur college students with lower contact with Hans from the area where Uygur and Han population ratio was 9: 1，and 32 Uygur with higher contact with Hans and 34 Han students with higher contact with Uygurs from the area where Uygur and Han population ratio was 4:6 were recruited in the stud- у. Relying on E-prime program, the " learning-recognition" paradigm was adopted to compare the difference between the participants"recognition for faces of one's own race and others. Meanwhile, based on self-reported Friendship Quality Questionnaires, participants"Time Spent and Intimacy with out-group friends were assessed as the measure-ment of inter-group friendship. Results: The accurate rate, false alarm rate and discrimination accuracy demonstrated a significant own-race advantage for the Uygurs with lower contact and higher contact with the Hans <0. 01), whereas the Hans with higher contact and lower contact with the Uygurs did not show significant difference between own-race faces and other-race faces on these variables (Ps >0. 05). Stepwise regression analysis showed that the regression coefficients of the interracial intimacy and time spent with out-group friends toward the magnitude of crossrace effect were stably significant (/3 = -0. 87, -0. 56, Ps <0. 01). Conclusion: The Uygur and Han students may prefer different encoding strategies in face recognition, and inter-group friendship experience may be an appropriate variable for predicting the ability to recognize other-race faces with good reliability and validity. [ABSTRACT FROM AUTHOR]