If it is old corn, boil the corn to bloom and spray a small amount of koji wine with a watering can. Put it in a plastic bag and seal it for a day or two before making a nest. Old corn is not suitable for hook fishing; if it is young corn, it is much simpler. , use a knife to cut off the tender corn kernels to make a nest, and use them as bait to peel off the tender corn kernels and peel them and hook them up for fishing