Background and purpose: loss of father or being handicapped is a major stressor and can increase mental disorders in children. This research was designed to study the comparison of some mental disorders like attention deficit, hyperactive disorder (AD/HD), oppositional defiant disorder (ODD), conduct disorder (CD), generalized anxiety disorder (GAD). dysthymia disorder (DD), and major depressive disorder (MDD) in children of fatherless, martyred, veteran, and ordinary (7-12 years old). Materials and methods: This research is a retrospective study about mental disorders which is done on children of 591 martyred, deprived, veteran and ordinary children in order to have comparitive study of mental disorders. Tools of study include questionnaires on personal features and questionnaire of children disorder symptom. CSI-4 statistical analysis was done by t-tests, variasion analysis and shefeh.Results: Obtained results indicate that there is significant difference related to psychological disorders among 4 groups under study (P<0.001). A comparison between fatherless, martyreds veterans and children revealed that, fatherless and marhyreds children suffer more from pychological disorders compared to the veterans children (P<0.05). Also psychological disorders were observed more in fatherless children than martyreds children (P<0.05). Martyreds children had more psychological disorders than veterans children (P<0.05). The results obtained based on the regression variasion showed some variables in all of the groups under study, (martyreds veterans and fatherless) boys suffered more than girls (P<0.01). In other words, boys are more susceptible to various psychological disorders (OR=1.42). Also results showed that, in the low economical condition families, children are more at risk of having psychological disorders (OR=1.48).Conclusion: Considering the rate of psychological disorders among children of martyred, fatherless and veteran as compared to the children from ordinary families, and presence of higher rate of psychological disorders in the father less children as compared to the children of veterans, and presence of higher rate of psychological disorders in fatherless children as compared to the martyreds children, it is necessary that the hygienic and treatment programmers of the society pay more attention to the primary and secondary prevention of health and hygiene of children from such families.