Purpose: The purpose of this study was to measure the knowledge. Attitude and the needs of sex education for college students in order to provide basic sex education information. Method: For this study, the questionnaires were given to 320 students in the H, D colleage of Daegu and collected during the period from August 25 to October 25, 2003. These results were analyzed statistically by means of, frequency, percentage, t-test, chi-squire test. Result: Female students have a high score of sexual knowledge about genital physiology, sex physiology, V. D. and contraceptive. Both gender in sexual knowledge, male students correctly responded 86.4% form ejaculating sperm from the penis. Females on the other hand correctly responded 96% in the highest score to menstruation blood through out the vagina. Both gender male and female is wished to be co-education in sex education in college at a freshmen level. Sex education should be under by special lecture when education is in progress. Males student want to learn more about V. D. Females in the other hand want to learn a lot about contraceptive. Conclusion: In conclusion college sex education should be basic. knowledgeable and for the future of there on going marriage. It should be responsible in sex education, it should run under regular curriculum in college.