Two new species of Elatostema from Guangxi, China are described and illustrated. They are E. sexcostatum W.T. Wang, C.X. He & L.F. Fu, which is morphologically most similar to E. balansae, and E. oligophlebium W.T. Wang, Y.G. Wei & L.F. Fu, which is morphologically most similar to E. obtusum and E. crassiusculum.