Starve the yellow catfish for about 24 hours. After it spits out all the sediment, kill it and remove the gills. Clean the internal organs. No need to scrape the scales. Use water of 70 to 80 degrees Celsius to rinse the fish. , which can not only wash away the mucus, but also remove the fishy smell, and then marinate it with cooking wine and salt.

Yellow catfish has a sweet and mild taste. It can benefit the spleen and stomach, diuresis and reduce swelling. "Yi Lin Ji Yao" treats water edema, that is, use yellow catfish with mung beans and garlic, boil it with water, remove the fish and beans, and mix the juice with Phytolacca powder and take it. It is a combination of attack and nourishment, especially suitable for those with spleen deficiency and severe swelling and fullness.

Gayazi fish is commonly known as Huang Lading in Chongqing, Sichuan and Guizhou in the upper reaches of the Yangtze River, and in Jiangsu, Shanghai and Zhejiang in the lower reaches of the Yangtze River. It is a species of the genus Yellow Catfish in the _family. Yellow catfish mostly moves in still water or slow river flows. It likes to live a bottom-dwelling life. It lives at the bottom of the lake during the day and swims to the upper layer of the water to look for food at night. It has strong adaptability to the environment, so it can live in adverse environmental conditions. Young fish mostly feed along the shores of rivers and lakes. At present, yellow catfish can be artificially reproduced, and because of its delicious meat, it is generally sold as an edible fish.