This paper introduced the background and states quo of mergers and acquisitions of commercial retail in China and pointed out the six major features：M&A mainly in the same business；foreign retail magnate activity；domestic retail enterprises accelerate the integration；foreign investors repurchase shares，speed up the wholly-owned；foreign industry fund activity；secondary market M&A appeared. Then，we analysis the M&A motives of Chinese and foreign commercial retail enterprises according to M&A theory of motivation and based on the specific situation of M&A in China. Based on this，reveals four major problems：overseas-funded enterprises get out of line；domestic fraud，foreign capital speculation；non-standardized government behavior in domestic-funded enterprises M&A；the domestic private sector business leaders ended. Lastly，according as our study and understanding，we think that the M&A of commercial retail will be four major trends in China：M&A in the same business extends to the second and third line cities；more large-scale M&A will occur；mixing M&A will gradually increase in the retail industry；vertical M&A will gradually increase.