The purpose of this study was to compare health practice and health status college students according to sex. The data consisted of a random sample of 743 students (388 males and 355 females) at 4 colleges in Pohang city. The analytic methods for the study were chi-square analysis and an odds ratio analysis. The results were as follows: 1. The most prevalent religious group was protestant (35.7%). The most prevalent monthly income of parents was 100-200 million won. The educational level of the father was college level or more for 60% of the samples for the mother, 70% was a high school graduate or more. 2. As far as health practice female students practiced better health than male students concerning smoking while male students practiced better health than female students in exercise and BMI(Pdv.001). 3. Odds ratio (OR) of the female students to the male students for BMI (odds ratio=0.30), exercise(odds ratio=0.15), alcohol drinking (odds ratio=O.69) were all significantly smaller than 1. On the other hand, ORS for smoking was significantly greater than 1. 4. A good health pratice score(5-7) were 38.1% in male students and 26.9% in female students. 5. Health pratice had a statistically significant association with physical well-being among male students. OR of the bad health pratice for physical well-being (OR=1.59) was significantly greater than 1.