Abstract: Based on the test quantity form of CPI,491 senior school students of Tujia,Miao and Han nationality in Xiangxi have been tested.The results shows that:(1) The personality characteristics among the three groups are different,especially between Miao and Han students;(2) Sex difference exists in the personality characteristics of the three groups,and sex difference of Han students is the most obvious,then Tujia students,Miao students in turn.(3) Among them all,female students have obvious higher level than male students in some factors,such as dominance,the ability of social intercourse and independence.

Key words: Tujia nationality, Miao nationality, Han nationality, senior school students, personality characters