1. salt and flour (starch is also acceptable): after washing the fertilizer with clear water to remove the mucus, sprinkle the salt and flour outside the intestine, rub it repeatedly, rinse it with clear water, scoop it up after boiling water, and scrape off the dirt.

2. cooking wine. Put the large intestine treated in the first step into a container, pour cooking wine, rub it repeatedly inside and outside, and then rinse it with water.

3. Taomi water. Cleaning the treated large intestine in rice washing water can better remove the odor.

4. Add some salt and alkali to the bought fat sausage before cleaning to reduce its odor.

5. Wash the fat sausage with sauerkraut for only two times, and its fishy smell can be basically eliminated.