1. Treat women's dizziness. Stir-fry eggshells with slow fire and grind them into powder, mix them with licorice powder evenly, and take 5g of them and take them with appropriate amount of yellow wine twice a day.

2. Treat diarrhea. 30g of egg shell, 9g of dried tangerine peel and 9g of endothelium corneum Gigeriae Galli are decocted in a pot and ground into powder, and 6g is taken with warm water three times a day for two days.

3. Make a stove. Crush eggshells and wrap them in paper, which can be used to light a fire in the stove. The effect is very good.

4. Kill ants. After the eggshell is burnt by fire, it can be ground into powder and scattered in the corner to kill ants.

5. Drive away slugs. Dry and crush eggshells and put them around kitchen walls and sewers to drive away slugs.

6. Grow flowers. Pouring the water for cleaning eggshells into flowerpots is helpful for the growth of flowers and trees. Crushing eggshells into flowerpots can not only keep moisture, but also provide nutrients for flowers.

7. Let the chicken lay more eggs. Pouring eggshells into powder and feeding them to chickens can increase the egg production of hens and will not produce soft-shell eggs.

8. Prevent calcium deficiency in poultry and livestock. Eggshells are baked and ground into powder, which can be mixed into feed to prevent calcium deficiency in poultry and livestock.