This study was carried out to investigate the nutritional values of culture-mushrooms and to obtain some basic information to increase their consumption. Agaricus bisporus, Agaricus campestris and Agaricus bltorquis were analyzed for chemical composition. Based on the chemical analysis, the average values of dry matter, crude protein, fat and available carbohydrate were 6.31-8.87%, 2.54-3.70 %, O. 18-0.39% and 0.38-1.87%, respectively. . Energy values of culture-mushrooms according to Atwater system were found to be 9.59-17.85 kca/1100 g. The average values of calcium, phosphorus, copper and zinc were 1.64-1.86, 113.78-156.38, 0.52-1.01 and 0.54-1.56 mg/1 00 g, respectively. As a result, culture-mushrooms are poor in the values of fat, available carbohydrate and available energy but rich in protein and mineral content. Theretare it is concluded that culture-mushrooms are valuable foods.