The effects of adding different vatioes Cu/Zn to the diet on finishing performances and carcass quality of market crossbreeds, Black Wanbei and Duroc, were studied, The results indicate that, adding H3 to the diets during grgwing period from 20 to 60kg, and-H2 from 60. to 90 kg, gain weight significantly, with daily gains at 587.0g and 730.6 g respectivelY. Adding 200ppm Cu to the diet, makes muscle. moisture increased and cooked rate, decreased, Adding 100ppm Zn to the diet makes fat content in the muscle increased