This study aimed to find out the level of Psychological Security of Nizwa University students and to find out the differences in level of Psychological Security according to gender (males\ females) by answering the following question: 1. What is the level of Psychological Security among samples of Nizwa University Students? 2. What is the level of Psychological Security of Nizwa University samples of males? 3. What is the level of Psychological Security of Nizwa University samples of females? 4. Are there statistically significant differences at a=0.05 in the level of feeling with Psychological Security of Students according to variable gender (males\ females) ? The population of the study consisted of all Nizwa University students who study to get Diplome and Master degree and registered students during summer study 2007-2008. Their number is 2252 males and females. The sample included 238 males and females 57 males and 181 females. The sample was chosen randomly. To achieve the purpose of the study, the researcher uses Psychological Security measure (Maslo Scale): which was Arabic zed by Dawani and Derani in (1983), After checking the reliability and validity. The findings of the study that: 1. There is a high level of Psychological Security with Nizwa University students according to the comprehensive Psychological Security scale with a median (2.24) feeling with Psychological Security compares to threat with average (2.29) and feeling love to hatred with average (2.25) feeling with loyalty to loneliness with average (2.19). 2. There is a significant difference at the level of a=0.05 between males and females in favour of the males. The following recommendations were made: 1. Enhancing a psychological counseling unit in the University to counsel and direct students on how to cope with psychological, social, financial, economic and academic crises and to try to solve their daily problems. 2.Enhancing the importance of entertainment activities inside the University as it satisfies their needs and takes part in building their balanced personalities and make them feel with psychological security. 3. Conducting more studies and researches in the field of feeling with psychological security according to other variables on Islamic principles and the concept of self and the place of staying or social and economic current situation and other regions.