Oreolalax major (common lazy toad or large toothed toad) is a species of amphibian in the family Megophryidae. It is endemic to China and found in Sichuan and Yunnan provinces, between Mount Emei and Hengduan Mountains. It likely exists in Emeishan, Wawushan, Gonggashan, Wolong, and Dujiangyan National Nature Reserves. Its natural habitats are subtropical moist montane forests and rivers. It is threatened by habitat loss. Oreolalax major is the largest among Oreolalax: males grow to about in snout-vent length and females to about . Tadpoles are in length. References major Amphibians of China Endemic fauna of China Taxonomy articles created by Polbot Amphibians described in 1960