Biological data exists all over the world as various Web services, which provide biologists with much useful information. However, heterogeneous data formats present a technical hurdle for biologists to fully take advantage of the information. It needs some power tools to handle this issue. The grid technology could help common biology tools with high performance and high throughput. Even so, the data formats produced from various biology tools are heterogeneous. The process of information integration of heterogeneous biological data is complex and difficult. This paper describes an approach to solve this problem by using XML technologies combine with BioGrid system. We use BioJava to integrate with our system for translating data into XML format. Finally, an example is used to illustrate how these techniques can come together in integrating heterogeneous biological data sources.