Saute 20% of soybean flour, 20% of cornmeal, 100% of millet, and 40% of wheat bran over low heat until fragrant. Then mix the above ingredients together, add flour 10, mix and stir-fry until fragrant, add a spoonful of sugar while it is hot. Immediately you can smell the aroma of wheat. It smells delicious! At this time, the base of the nest has been prepared. After cooling, place in a plastic bag and tie tightly.