The paper applies the model of Stochastic Dominance in analyzing the regional advantages of feeding dairy cows, studies show that the coast region in north of China and the Yellow River region have the advantages of feeding dairy cows, including Tianjin and Hebei, the most significant comparative advantage, followed by Shandong, Henan and Shaanxi. The factors of cost advantages of feeding dairy cows are analyzed from the perspectives of technical level, elements of cost and natural resource endowment, results showed that: the factors of cost advantages are comprehensive. Some suggestions put forward, that including accelerating construction and layout of dairy farming regions to develop the model with regional comparative advantages; through supporting and promoting the development of dairy cooperatives to improve the degree of organization