Ingredients: 1 pork intestines, 4000g buckwheat flour, 250g vinegar,15g sesame, 300g refined salt,10g ginger noodles, 4 cloves garlic,150g sesame oil. Methods: 1. Add vinegar, sesame seeds, salt 50g, sesame oil 75g, ginger powder 5g and cold boiled water 1000g to make soup; Another 75 grams of sesame oil is put into 5 grams of ginger noodles, fried and poured together. 2. Wash the pig intestines, put them in a pot, add 250g refined salt and vinegar, rub them repeatedly, soak them in cold water for 1 day, take them out and drain them, cut them into strips of 33cm, tie one end with hemp rope, pour them into the paste made of rice noodles and water, and tie them tightly. 3. Add water to the pot to boil, add pork intestines to boil until they float, puncture the intestines with a needle to deflate, take them out after cooking, cool them, cut them into round slices, and grab them into a bowl to pour soup when eating.