Bullfrogs are amphibians, Anura and Ranidae. It is named for its loud singing voice and the popularity of cattle barking. It originated in North America and has spread all over the world. It is a large edible frog with tender meat, delicious taste and rich nutrition, and has certain medicinal value. Bullfrog is the largest frog species in the world, with a body length of about 20 cm and hind legs up to 25 cm. Bullfrog has teeth on the upper jaw and forked tongue base. It lives on the seashore and breeds in spring. They lay eggs in the water, hatch into tadpoles in five to twenty days, and then become frogs in one to three years. In addition, bullfrog is very rich in nutritional value, which can nourish and detoxify, supplement calcium and strengthen bones and promote metabolism. Moreover, bullfrog has low entry threshold, large size and large output. Besides bullfrog meat, bullfrog skin and bullfrog oil can also be fully utilized, with high economic benefits. With the upgrading of consumption and the continuous optimization and upgrading of the food industry, bullfrog has also become a hot-selling category in the catering industry.