With the development of 5G, big data, AI, internet of things and block chain, innovation of the information services of think tank with the help of new technology is of great importance to improve the influence of think tank. This paper explores the challenges of think tank in the new technological environment and puts forward some new information services based on AI and other new technologies. These new information services are as follows: Think tank should ①actively apply emerging information technologies such as big data technology, Internet of things technology and artificial intelligence to improve their ability of data-driven discovery of information research needs;②extract and analyze massive data resources with big data technology;③use expert system to improve the efficiency of decision;④build the information resource collaboration and sharing platform of think tank based on block chain Technology;⑤support experts' research activities with mobile Internet and intelligent wearable devices; and ⑥push think tank research results for users based on user profile.