Abstract: Three new species of the ant genera Amblyopone Erichson, 1842 and Proceratium Roger, 1863 are described from Yunnan Province, China, i.e., Amblyopone octodentata sp.n., Proceratium nujiangense sp.n., and Proceratium longmenense sp.n. Gynes of Amblyopone octodentata sp.n. and Proceratium nujiangense sp.n. are also described. Keys to known Chinese species of the two genera are provided separately.