Tủ Sách Huyền Môn is an online bookstore specializing in books on spirituality, traditional knowledge, metaphysical practices, and related subjects. Its extensive catalogue spans feng shui, astrology, tử vi, I Ching, divination, talismans, Taoism, Buddhism, meditation, yoga, martial arts, history, philosophy, traditional medicine, and literature. The store also lists feng shui compasses and related objects, alongside books on topics such as psychology, military strategy, and cultural studies.

Customers can browse curated sections for mystical and feng shui titles, explore featured deals, and purchase individual books or multi-volume collections. Examples include guides to tử vi and Bát Tự, works on Chinese traditional culture, and books about handwriting analysis and spiritual customs. Product listings display prices in Vietnamese dong and provide a direct purchase option. The website also publishes articles about reading and books, including content on Taoism and the qualities associated with readers. With its broad selection of specialized titles, Tủ Sách Huyền Môn serves readers seeking resources on Vietnamese and East Asian traditions, spiritual interests, and practical or scholarly subjects.