Correct sexual knowledge and sexual attitude are very important to the interpersonal relationships of college students. The study is made to investigate sexual knowledge and sexual attitude of college students. The subjects of the study are college students. The survey research is applied in the study and the total number of the samples is 325. The survey results are shown as the followings: 1) The average number of correct answers about sexual knowledge is 17.7 (70.6%). 2) The sexual knowledge of college students mainly comes from internets, and next, comes from peer groups and friends. 3) The sexual attitude of college students tends to be positive. The study suggests that schools should pay more attention to gender equality education and establish environments of gender equality, and mass medium should play an educational role to keep students away from pronography.