Prepare a bottle of sour vinegar! You can see that the higher the degree, the better when you buy it!

Prepare an egg

A teacup can just put an egg in it, don't squeeze it!

Practice put the eggs in a cup and pour in vinegar. Cover the egg and soak it for 48 hours (just pay attention to the time and the shell is soft).

When eating: if you are afraid of acid, you can add sugar and honey! Not afraid of acid randomness .....

Taboo children and people with stomach problems can't eat it.

The benefits of calcium acetate are beneficial to human bones.

It can regulate and make up the nutritional status of human body, promote digestion, promote absorption, relax channels and activate collaterals, reduce blood lipid, and prevent more than 70 diseases such as arteriosclerosis, coronary heart disease, cerebral thrombosis and diabetes. It also has certain effects of relaxing bowels, losing weight, improving immunity and resisting fatigue.