Aiming at problems of inconsistent data format,incomplete basic data system，inadequate data resource sharing and narrow application area of the system in Guangdong inland waterway surveying and mapping，we study the management of Guangdong inland waterway surveying and mapping results,construct the database of Guangdong inland waterway surveying and mapping results,and develop independently the basic platform of GIS,seamless access and display of multi-source data,application of modern information technology such as 3D GIS and Internet of Things，which realize the integrated management of data acquisition,production，update，storage and sharing utilization of inland waterway surveying and mapping in Guangdong Province，and can also be used in three-dimensional waterway display,typical section analysis，depth data analysis，shallow point analysis，siltation trend analysis,engineering applications and other aspects to provide a support for the Guangdong channel management department in channel management and maintenance of information means.