The opening method of canned lunch meat is as follows:

1. Method 1: Using the principle of expansion with heat and contraction with cold, first soak the canned lunch meat in hot water for a while, then soak it in cold water for a while, then open the lid of the lunch meat and pour it out.

2. Method 2: Turn the canned lunch meat upside down, then pat the bottom of the can with your hand, and then open the lid to easily pour out the lunch meat.

3. Method 3: Draw a circle along the edge of the canned lunch meat with a knife and pour it out. But be sure to pay attention to the use of knives to avoid hurting your hands.