A new species of the genus Kurixalus (Anura: Rhacophoridae) is described from western Yunnan, China.Genetically the new species, Kurixalus yangi sp. n., is closer to Kurixalus naso than to other known conge-ners. Morphologically the new species is distinguished from all other known congeners by a combinationof the following characters: smaller ratios of head, snout, limbs, IND, and UEW to body size; male bodysize larger than 30 mm; curved canthus rostralis; weak nuptial pad; brown dorsal color; absence of largedark spots on surface of upper-middle abdomen; presence of vomerine teeth; gold brown iris; single in-ternal vocal sac; serrated dermal fringes along outer edge of limbs; granular throat and chest; rudimentaryweb between fingers; and presence of supernumerary tubercles and outer metacarpal tubercle.