Tea Cup Fox, also known as Cupfox, is a Chinese-language entertainment discovery platform that aims to make finding films and television easier. It describes itself as a search engine that aggregates entertainment resources from across the web, bringing a broad selection of titles together in one place. The site organizes its catalogue into movies, television series, anime and variety shows, with additional sections for short-form dramas, upcoming theatrical releases and entertainment news.

Visitors can browse featured and popular titles, check rankings, and explore listings by category or genre. Pages display programme information such as episode counts, release or viewing status, and cast names, helping users compare options and follow ongoing series. The platform also states that it supports watching videos online for free on mobile devices, making its catalogue accessible for viewing on the go. With recommendations, charts and regularly updated listings, Cupfox is designed for people looking for something to watch, whether they prefer films, serialized dramas, animation or variety programming.