This is cheddar cheese. It originates from the Cheddar region of the United Kingdom, so it is called Cheddar cheese. A type of hard cheese. The usual way to eat it is to cut it into small slices and eat it with bread for breakfast. You can also eat it as soon as it is red. Don't bite them one piece at a time, as that won't taste good.
Traditional cheeses are salty because salt is added during the manufacturing process. Just like salt is added to Chinese sauerkraut when pickling, it is all for preservation in the beginning. Only Chinese cheese is sweet. Foreign people find it incredible when they see Chinese sweet cheese.