Mutton in the water, also known as mutton offal, is a dish originating from the north, which is mainly made of sheep head, sheep hoof, sheep blood, sheep lung, sheep liver, sheep heart, sheep intestines and sheep belly, so it is also called "mutton offal". When making amniotic fluid, the head, hoof, belly, intestine, heart, liver, lungs and blood of sheep should be washed, cooked and chopped. Add pepper, pepper, salt, garlic, onion and ginger, and simmer. Sheep in water can be eaten directly or used to make soup, which is a common traditional snack in northern China.