CTTI, adhering to the design principle of "prioritizing service for think tank evaluations while also addressing data management needs," is a comprehensive system for think tank indexing and data management that integrates metadata design, functional layout, architectural construction, and mechanism design. CTTI metadata comprises 52 objects, 3,361 data fields, and 1,027 data dictionaries. The system possesses functionalities like data collection, searching, statistics, and evaluations. It has established a secure and efficient cloud deployment model for think tanks and a tiered user service plan. Additionally, it has set up collaborative mechanisms such as CTTI think tank certification, honor provision, source think tank branding, and annual forums.