The purpose of this research is to study the factors affecting the sexual deviation behavior of the Sisaket Rajabhat University students. The population was students of science education in year 2 and students of physical education in year 1 ,Sisaket Rajabhat University, of academic year 2556 ,number 254 people and a sample groups that uses the number of 20 people By means of choose a specific (Purposive Sampling). tools used in this research Sexual deviation behavior interview. The process is as follows : 1.Study the concepts and theories related to sexual deviation behavior from the textbooks and websites And the more guidance from adviser. 2. Study how to build an interview sexual deviant behavior was designed, interview, sexual deviant behavior. 3. Build up the 20 interview series. 4. The interview is created to use the interview study is the students of science education in year 2 and students of physical education in year 1, Sisaket Rajabhat University, of academic year 2556 , number 20 people By means of choose a specific (Purposive Sampling), Then the data were analyzed according to interview the main theory or concept study, then summarize the result of this research.