Xiacheng District is located in the heart of Hangzhou and recognized as the city's eyes.To create a “cross-trade town”is the initiative to integrate into China （Hangzhou） cross-border e-commerce integrated pilot area strategy and an important platform and the starting point to accelerate the construction of full-domain CBD.Based on the analysis of the background，spatial layout and development status of the cross- trade town，this paper summarizes the problems in the development of the “cross-trade town” and puts forward the relevant suggestions of the sustainable development of the “cross-trade town” .