Abstract: Objective To explore the characteristics of healthy personality and its relationship to subjective well-being among college students.Methods 705 college students were surveyed with Healthy Personality Questionnaire and Happiness Scale of International College Survey Questionnaire.Results The significant sex difference in practical abilit y was found(t=3.365,P<0.01);the significant grade differences in self-social harmony were found(F=3.070,P<0.05);the total score of healthy personality of the lower grade was higher than that of the higher grade;the significant terrain differences in practical ability(F=2.987,P<0.05)and total score of healthy personality(F=2.886,P<0.05)were found;the total score of healthy personality of the students who came from city was higher than that of the students who came from town and country;self consistency and congruence,self-social harmony and practical ability had significant effect on subjective well-being.Conclusion There were close relation between healthy personality and subjective well-being among college students.