Bombina maxima, the Yunnan firebelly toad or large-webbed bell toad, is a species of toad in the Bombinatoridae family found in southern/southwestern China (Sichuan, Yunnan, Hubei, Guangxi, and Guizhou) and in northern Vietnam. Yunnan firebelly toads are small toads. Males grow to a snout–vent length of about 49 mm (1.9 in) and females of about 45 mm (1.8 in). Tadpoles are up to 27 mm (1.1 in) in length.