In last years, with turn to quality produce, investigate that necessary of quality produce and producing quality product cost is going up in total cost. Certainly all this costs' supplement are growing up in total cost day by day, and they reach rather total at least. But, the our accounting system being in force, is not including quality costs. Quality costs' dimensions which are reach in total cost, show us, that there must be special studies on quality costs. In this case, we study on quality cost and we try to bringing some offer about accounting of quality costs in our accounting system.