To cut a cross knife, first cut the middle of the kidney, scrape off the white mucosa inside, then cut two-thirds of the knife vertically, and then cut two knives horizontally to form three kidneys. After cutting, wash it with clear water, then add salt, monosodium glutamate, chicken essence and cornmeal to taste, burn oil to 70% heat, and stir-fry the lower waist until raw. Stir-fry minced ginger and garlic, red pepper, Laoganma, monosodium glutamate and chicken essence in oil, and stir-fry kidney flower, coriander and sesame oil evenly.