Six species of ciliates isolated from plateau swamp wetlands in Gannan, Gansu Province were studied and described. They are Notohymena selvatica, Wallackia bujoreani, Steinia sphagnicola, Condylostomides etoschensis, Euplotes muscicola, and Blepharisma steini. Of them, N. selvatica,W. bujoreani, and S. sphagnicola were firstly recorded from soil biotopes of China.