First, the report illustrates some issues in data sharing and analysis.Then, it introduces a cloud based platform for data analysis., describes some of the data sources on the cloud. The features are described in detail. Including (1)Users can share source data on the cloud without downloading them. (2)Users can use the tools on the cloud without local installation.(3)Users can replicate ,reproduce and expand the workflow based on data case studies. (4)Users can share the results of data analysis with others.