Chop four cloves of garlic, shred onion and put in a bowl for later use.
Put a proper amount of old vinegar in the bowl.
Add some soy sauce.
Proper amount of salt and sugar.
Then fully stir for later use.
Then boil the oil.
Pour the hot oil into a bowl and stir thoroughly.
Then put the ham in a plate and pour it into the juice prepared in the bowl.
This appetizing cold ham is ready. Is it particularly simple?