Amphibia are a primitive, newly landed, five-toed, ectothermic four-legged animal. The larvae live in water with gill breathing, and in a short period of time they grow into adults that can live on land with lung breathing. There are now 3 orders, about 40 families, 400 genera and 4,000 species. There are more than 270 species in 40 genera and 11 families in my country, with the largest number of genera and species mainly distributed in the south of Qinling Mountains, West China and the southw