2. Fresh beef omasum that has not been eaten can be put into baking soda water, added with proper amount of edible salt, repeatedly rubbed and cleaned, and then put into a fresh-keeping box for refrigeration.

3, hairy belly should not be stored in cold storage for too long, it is best to cook it in time, so as to avoid deterioration of ingredients and affect consumption. You can observe the color of beef omasum when you buy beef omasum. The surface of hairy belly is too white, so don't buy it.