With the development of mobile technology, there are more and more mobile projects in the GIS industry. Mobile applications require to connect online service data and load amounts of various business data. The article introduces several ways to optimize the performance of a big amount of vector data.

For versions older than SuperMap 10.1.0, we recommend optimizing data in SuperMap iDesktop (hereinafter referred to as "iDesktop"). For other versions, you can improve data on the mobile terminal through code.