1, soak in hot water. Soak a pot of hot water, soak the bowl in hot water, shake it in the water after a while, and the two bowls can be separated. If the card is too tight, rotate the two bowls in different directions in the water.

2. Several times. You can pick up the bowl and tap it on the table. Pay attention to the strength of knocking on the bowl. Don't knock on the surface of the bowl. Repeat it several times and it will fall off.

3. Separate with edible oil. Pour a little cooking oil into the gap between the two bowls, then shake the bowls to let the oil penetrate into the gap. Because of the lubrication of oil, the bowl falls off easily.

4. Separate with detergent. Pour the detergent into the water, into the gap between the small bowl and the big bowl, wait a moment, and twist the small bowl by hand. Should be separated.