This study examines with the objective of effects of self-control on social adjustment and Azad university students' happiness Khash city. Research method was a descriptive -survey. The study population consisted of all Azad university students in the city of Khash that the sample size was 213 people. Random cluster sampling was in multi-stage and research instrument is self-control questionnaire, social adjustment (personality measurement of California) and the Oxford Happiness. The findings of research suggest that self-control was related to happiness and social adjustment, and it was effective on them. Also, there was significant relationship between happiness and social adjustment of students. Also, the results showed that there is no significant difference between students' self-control in terms of genders, but there was significant difference between social adjustment and happiness of male and female students, male students showed higher happiness and social adjustment than female students.