Physical delivery is a bottleneck pr oblem for the development of B2C mode in e -commerce.In this article,physical delivery projects of B2C are divided into two modes:One set up by an enterprise itself or a third -party logistics enterprise.They are thoroughly analyzed on the b ases of factors like the quality of delivery service,the scale of delivery,the v ocational nature of the enterprise,the nature of commodity and so on.Based on the analysis,suggestions are giv en as to the choice between the two delivery modes.