Feng86 is an online knowledge platform focused on traditional Chinese culture, historical materials, genealogy research, and digital tools. It brings together resources for readers interested in feng shui, Qimen Dunjia, Plum Blossom Numerology, Zhouyi and Bazi, folk customs, local legends, and traditional everyday knowledge. The site also organizes materials from local gazetteers, family genealogies, rare and woodblock editions, manuscripts, classical texts, historical notes, poetry, and books on divination and related subjects.

Feng86 aims to make these varied resources easier to browse, search, and explore, with topic categories and digitized texts that include scanned books and page-level excerpts. Its offerings include educational reading materials and research resources, alongside AI-related tools and calculation services; some AI tools are described as being in development. The platform states that resources are uploaded or compiled by users and provided for study and reference. It charges only for file storage and download bandwidth, and invites users to contact the site about disputed or infringing materials.