At present, increasing companies appeared on the market, and market is just like a big melting face. If company can not lay out themselves, company will be eliminated. Many of companies are out of use in the market, but the Walmart and McDonalds talented showing itself in numerous markets and held water in this melting face. And how did they achieve their success? General speaking, the organizational structure, culture and perfect management are the most important factors for the two companies. In my report, I will use the Walmart and McDonalds case and compare the two companies different cultures, structures and managements, and begin to describe the three areas. First chapter will talk about companies background. Second part will describe the comparison of companies. And third chapter will discuss the development of companies. Now we will walk into the world of Walmart and McDonald, and experience the success of the two enterprises jointly.