1, take a special mold for making ice cubes, wash it and dry it for later use.

2. Prepare a glass of mineral water or cold water.

3. Pour the water into the ice compartment of the mold, be careful not to pour it too full, cover the mold and put it into the frozen layer of the refrigerator.

4. After four hours, take it out, knock the back of the ice cube and take out the ice cubes.

5. If the ice cube is hard to take out, rinse the front of the ice cube with cold boiled water and repeat step 4.