1, first with a handful of salt (granular better) will be tripe inside and outside the repeated rubbing, can remove most of the mucus and dirt tripe.

2, and then add 2-3 two vinegar continue to rub, can remove most of the odor.

3, and then wash with water once fished out, and then salt, vinegar (the amount can be reduced) rubbed once, wash with water twice, you can also add a little soda to neutralize the acidity on it.