As the skin of Acipenser (Sturgeon fishes) have morphological, histo-logical and physio logical characteristics, they have suitable situation of fish scaly, thickness, resistance and enough elasticity. Therefore they can be useful in producing leather and leathery products. In this project, two hundreds skin pieces of different Acipenser Sturgeon-(Huso huso - A. gulden stadi- A. percicus A. undiventris - A. status) were examined in order to producing leather during eighteen months since 1990. At the end of this project a suitable method was found out for produc-ing skin and leather. In this project we used leathery factories facilities, but for obtaining desired results we changed some chemical substances and processing products. Therefore, with this proposed technic by catching mass fishes from the south shore of Caspian Sea more than one million square feet leather can be produced with different qualities. From different types of produced leather we can make bag leather, bind-ing leather, grean leather, fantasy leather, and leather of the mamalia together.