The invention provides a data development and management system which comprises a task establishing module, a data development module, a procedure management module, a life cycle management module, a database management module, a role and team management module and a data releasing module. A task is established and started in the system through the task establishing module, a procedure in the procedure management module is started at the same time, the started procedure drives data to flow among the data development module, the database management module and the data releasing module, the flow of the data is monitored in real time through the life cycle management module, after the data flow, the life cycle states of the changed data are updated, the role and team management module is used for setting teams needed for project development and role definition needed in the project development process, and the data releasing module is used for releasing the data. The data can be better developed and managed through the data development and management system.