First, the water source conditions are good. Honghu city is named after the lake with the same name in China. Honghu Lake is the largest lake in Hubei Province, and its water quality reaches the national second-class standard, which is a natural aquatic plant for fishermen in surrounding areas to survive. In February 2008, Honghu Lake was officially listed in the list of internationally important wetlands. Second, there are many natural baits for river crabs. There are abundant baits that river crabs like to eat, such as snails, mussels, water worms, etc., as well as a large number of emergent plants, floating plants, submerged plants, floating plants, etc., which can meet the needs of river crabs to supplement bait and are also good places for river crabs to inhabit, shed their shells and hide; Third, the crab culture technology is mature. As early as the early 1980s, Honghu people began to try to breed river crabs. After going out and inviting in, especially after establishing a comprehensive cooperative relationship with the Institute of Aquatic Sciences of the Chinese Academy of Sciences, the ecological and healthy culture technology of river crabs has been more deeply rooted in the hearts of the people, basically forming a good situation that everyone wants to raise crabs, everyone can raise crabs and earn money every year. Fourth, "Honghu Lake" is well known. A Hong Hushui has spread all over the world. The river crabs bred in Hong Hushui registered the trademark of "Honghu Qingshui" and applied for the green food certificate, and their market share gradually increased.