Nineteen species of the family Thyatiridae were recognized based on the lepidopteran collections from the 5 times of expeditions to Mt. Changbai during 1999-2004. Among them, five species, (Ochropacha duplaris (Linnaeus), Togaria tancrei (Graeser), Shinploca shini Kim, Neoploca arctipennis (Butler), and Demopsestis punctigera (Butler)), are reported for the first time from China. Eight species are newly added to the fauna of Mt. Changbai. A list of all known species from Mt. Changbai is provided and photographic images of adults of the species new to China and their male or female genitalia are given.