Today society is transforming into an integrated information service era,in which information industry is becoming a key strategic one.Telecom is getting more close relationship with Finance.Convergent development of telecom and finance needs to be paid attention as a national strategy.In the paper,the new topic of innovation and development cross industries of telecom and finance in new integrated information service era will be discussed.Telecom Finance is firstly put forward including its definition,functional requirement,architecture,scenarios,and its development strategy and suggestions.