Many of people believe that the values of a person, group or society, are the most important elements in knowing differencing from each other. And changing in values of any society, leads to variety in other views and thoughts of persons and members of that society.so the social changes is in attention for sociologists, in this point, research in changing of values, is a proper idea. Iranian society had past numeral happens like economical plans of before revolution, revolution in 1979, war, economical plans after war and etc. in current decades. Thus, it is necessary to research in fixing or variety of values condition.in this research, that has been done in survey method in a 388 persons sample of Hamadan citizens born in 40 to 70 solar decades, value system of persons, have been compared, inter-generationally. Inglehart inter-generational transforming of values is used for measuring of value system. Advantages narrates that it is no significance different between value systems of different generations. This advantage is opposite to hypothesis and expect of this research and previous researches and must pay attention be to it.