Frogs are amphibians belonging to the family Ranidae, with a slightly triangular head that grows wider; Large and protruding eyes; The forelimbs are short, the fingertips are blunt and pointed, the hind limbs are short and thick, and the toes are almost fully webbed. It is most common and abundant in the plains and hilly areas from North China to South China; It is also distributed in Japan, the Korean Peninsula, Russia and other places. Suitable for living in amphibious environments, it mostly inhabits low-lying and humid places such as rivers, ponds, streams, ditches, lakes, and shallow waters with abundant aquatic plants; During the day and at night, they move around and search for food; Both juvenile and adult frogs are carnivorous and typically prey on rice pests.