The genus Tylostega Meyrick, 1894 from China is studied here. Two new species are described: T. longicuta sp. nov. and T. vittiformis sp. nov.; the female of T. serrata Du & Li, 2008 is reported for the first time. A key to Tylostega species in China and a checklist of all the known species in the world are given. Photographs of adults and genitalia of the new species are provided.