Abstract: Mashup can facilitate using the retrieved content from external data source to create new services. Using the feature in the study, Mashup technique is applied in network shopping search strategy, through the opening of the API, screen capture etc method, the different content sources is integrated. The merchandises in different websites can be displayed and redundance is eliminated using filters, change of the resource information is notified in time through the warning apparatus. This method can be convenient online shopping user, saving the user time, constructing a more efficient network shopping environment.