Prepare corn flour, rice flour, bean cake flour, soybean flour and wheat flour. Wheat flour was prepared according to the ratio of 3: 3: 3: 2, accounting for 10-20% of the total amount of other nest materials.

Bean cake powder can use bean cake crumbs, which need not be too broken. It is better to keep fish with powder and granules. Then, according to the proportion of 10% of the total amount, koji wine or clove wine is prepared. Mix corn flour, rice flour and bean cake powder evenly, stir-fry with low fire to give a fragrance.

Stir well with flour, get wet with a little water, then spread it flat in a pot, poke some holes with chopsticks, steam it, let it cool, add distiller's yeast, stir it, seal it in a fresh-keeping bag, and ferment it at room temperature for about a week. This kind of nest material is mild in grain flavor and has a good effect of attracting fish, which belongs to universal nest material.