80% corn flour and 20% bean cake are mixed, moistened with water, steamed, cooled and put into clean plastic bags. You can sprinkle some white wine around the bag, which can play a role in disinfection and sterilization, prevent the bait from becoming moldy and promote its fermentation and acidification. Later, it was wrapped tightly in two or three layers of plastic bags and exposed to the sun for 7 to 10 days, which became the basic raw material for fishing silver carp and bighead carp.

It is not advisable to do too much at first, and the total weight should be 1 kg. South silver carp fishing can also use local bran cakes, rapeseed cakes and rice as raw materials. Generally speaking, the bait of silver carp and bighead carp should be sticky and not easy to disperse; Several raw materials are mixed and fermented, and the acidity is stronger. Some fishermen will also add some dough to make the sour taste more saturated.