Touhou Project Activities Wiki is a community-maintained Chinese-language encyclopedia focused on offline events related to the Touhou Project. It helps visitors discover in-person gatherings and conventions across China, while providing a place to document events and share retrospectives, including links, videos, photographs, and written accounts. The wiki encourages community members to contribute information, making it a collaborative reference for fans seeking local activities and records of past events.

Its resources include a nationwide quick-reference list of Touhou offline events, an activity calendar, a map showing event distribution, regional indexes, and listings of event-related QQ groups. The site also features pages for individual gatherings and local communities, with recent entries covering events in cities and regions such as Qingdao, Liaoyang, Jinzhou, Shenyang, Yingkou, and Yulin. In addition to event information, the wiki offers editing guidance, help pages, and tools for creating event pages. It links to related Touhou community resources and invites users to join its QQ group.