With the closure of the protecting period for retail industry，China ' s retail trade is confronting an unprecednted competition .The all -round open-up of retail industry will have influence on all of the retailers in China . Moreover，we ought to realize that foreign investors ' entry into China ' s retail market is a kind of challenge as well as an opportunity，China 's retails are expected to tackle the comprehensive open-up of retail industry and face this challenge. This paper makes a concrete comparison between China ' s biggest retailer Unilever Supermarket and the second biggest foreign investor Carrefour . Keywords : Unilever；Carrefour；comparison；implication