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Purpose: This study has been done with the aim of seeking norms and investigating reliability and validity of job-satisfaction inventory and in line with preparation of appropriate tools to evaluate job satisfaction. Method: in form of a periodical study 2760 people were selected from the staffs of five variety profession of managers, bosses, employee, salesclerks and workers by categorical sampling and they filled the job-satisfaction inventory which contained sixty statements. Also to investigate the validity of the structure factorial discovery and confirmatory analysis and to investigate reliability Cronbach\'s alpha and to analyze the data SPSS 19 and AMOS 18 were used. Findings: the results of data analysis represented 24 options from the 60 early raw options had the respective attribute and value and incorporated in final version. Moreover with cyclical varimax, and additive variance of 48.12 % and Kaser-Meyer-Olkin index of 67%, three factors of individuality, organizational and work nature were discovered. Furthermore the results of data analysis showed that the higher amount of variance of jobsatisfaction were devoted respectively ,regarding distinction of lines, to organization(3.47), south dairy(3.41),west dairy(3.39), fleshy(3.38), drinking(3.38), Tehran dairy(3.35), north dairy(3.35), ice cream(3.35) and trade(3.32). Conclusion: with respect to measured indices of reliability and validity, the psychological features of job-satisfaction questionnaire were all reported appropriate and can be used as a reliable and valid tool to measure staffs\' job satisfaction.