1. Invert the glass bottle, put the inverted glass bottle in hot water, let it stand for two minutes, take out the glass bottle, and then unscrew the thin iron cover by hand;

2. Use a fruit knife or other tools to pry open the seal of the iron bottle cap, and be careful not to hurt your fingers;

3. Run in the seal of the thin iron block with a blunt instrument until the iron bottle cap becomes thin, and then open the bottle cap.