Abstract: : Marxism was created,innovatd and developed constantly b y marx in the course of his criticiziy the theories of forefathor's,contemparory p eople's and his own.Marx had formed a brand new criticism of his own as weu in t his cowre The essence of marx's criticism is to seek for trath and to "deuvlop w hat is useful and discard what is not";the pwrpose of his criticism is for theor y innovation and the soul of his criticism is "to seek truth from fact".To inher it and to develop criticism spivit of marx is ...