z with the growing number of online shopping platforms ,online group buying has quickly made a hit,grop buying is a new shopping mode which ,just as its name implies ,means that many people buy the same product together aming at getting a favorable buying price ,it is known that the major group of online group huyers are young people in large and medium-sized cities of china .since group purchasing is nothing more than another form of oonline shopping ,its nature is no different from other online shooping patterns.Problems that exist in online shopping can also be found in group buying,such as deceptive advertisements or poor after-sales services .