Because most of the pig, cattle, sheep offal, etc. are very dirty, greasy, with a fishy odor, if the wash is not clean, that is, can not be eaten. And because of the body tissues and offal structure is different, the washing method is also more complex, can be divided into turning the washing method, scrubbing method, scalding method, scraping method, rinsing method, rinsing method, and so on. Even some internal organs must be washed through several washing methods to clean. Turning wash method

This method is mainly used for washing intestines, tripe and other viscera. Because of its inner layer is very dirty, greasy, if you do not turn the wash can not be washed. Wash the large intestine is generally used set of intestinal flip method, that is, the large intestinal mouth of one end of the flip over, with the hand to support the open, and then in the flip over the large intestine around the infusion of water, intestinal pressure by the water, will gradually turn over to the inside and outside of the completely flipped over, you can be intestinal walls of some of the dregs and dirt force pull apart, or scissors to cut, and wash with water repeatedly clean. Scrub method

Generally use salt, alum scrub, mainly to remove the raw materials on the grease and mucus. For example, intestines, tripe after washing, but also re-turned over, with salt, alum and a little vinegar on the outside of the wall repeatedly rubbed to remove the mucus on the outer wall. Scalding method

The preliminary washing of raw materials and then put into the pot scalded or boiled once to remove the fishy odor. This method is mainly applicable to raw materials with fishy odor and excessive blood. The raw materials and cold water at the same time under the pot boiling hot, boiling time should be based on the nature of the raw materials and different tastes. For example, intestines, belly cooking time to be longer; waist, liver cooking time is shorter, the water can be taken out after boiling to maintain crispness. The role of cold water pot boiling, mainly to make the raw materials gradually heat, the outer layer will not be suddenly heated and contraction taut, conducive to removing the internal blood and fishy odor. Scraping method

is to use a knife to scrape away the dirt and hard hair on the outer skin of the raw material. Wash foot claws generally use a knife to scrape away the dirt between the claws and the rest of the hair; wash pig tongue, cow tongue can first be soaked in boiling water, to be white tongue can be fished out, with a knife to scrape away from thatch, and then washed. Flushing method

that is, irrigation and rinsing, mainly applicable to wash the lungs. Lung lobes of the trachea and bronchial tissues are complex, alveolar, blood stains are not easy to remove, so the lungs should be washed in the lung tube set on the tap head, the water into the lungs, so that the expansion of the lung lobes, the blood and water out, straight irrigation until the lungs turn white, and then break the outer membrane of the lungs, washed and standby. Rinsing method

is to rinse with water, mainly for brain, spinal cord and other raw materials. These raw materials are as tender as tofu, easy to break, washing should generally be placed in the water, with a handful of straw to gently remove the outer layer of the blood coat and blood tendons, and then gently rinsed with water can be clean.

Sheep belly is generally composed of four parts, you need to open a small mouth on each stomach capsule, turn it over, first with salt, alkali repeatedly scrubbed to remove

Remove the mucus, put into the hot water about 80 ℃ for a few minutes after the fish out, with a knife will be inside and outside of the black membrane scraping, and then thoroughly remove the contents of the water until washed until clean, for cooking can be blanched in boiling water with peppercorns before