Method 1, hair dryer, we can use the hot air stall of the hair dryer to blow it on the edge of the bottle cap, and then unscrew the bottle cap directly, and we can see that it can be easily opened by this method.

2.

Method 2, soaking method, we prepare a container, then pour boiling water into the container, and then we invert the bottle in hot water. It can be seen that the bottle cap can be easily unscrewed by this method.

3.

Method 3: Beating. We can flip the bottle upside down on the table and then beat the bottom of the bottle hard. It can be seen that the bottle cap can also be easily opened by this method.