Abstract: Objective To investigate the relationship between physical fitness,exercise behavior and the quality of life (QOL)in college stndents. Methods A questionnaire survey was conducted among 956 college students in Hebei province. Results The QOL score for physiological funtion,activity,emotional fumction,mental health,physical function, social function,bodily pain,and general health was 78.65±7.56,57.20±20.75,60.12±19.54,73.21±17.45, 67.35±28.14,80.23±21.65,67.58±20.86,and 69.26±18.22 among the students,respectively.There were significant gender differences in physical fitness,exercise behavior,and the total QOL exeept the flexibility,exercise intensity(P<0.0 or P<0.01).There were close correlations between QOL scores of all demensions except emotional function(P<0.05). There was a strong positive correlation between QOL and times and frequency of physical excercice(P<0.0 or P<0.01). Some dimensions of QOL showed negative correlation with exercise intensity. Conclusion Physical excercise is an important influencial factor and a mean to the improvement of QOL among college students.More attention should be paid to health education to improve QOL in college students.