The original hamburger was a meat pie made of ground beef and flour, so it was called beef patties. In ancient times, Tatars had the habit of eating beef raw. As the Tatars moved westward, they were introduced to the Balkans and then to Germany, gradually turning raw food into cooked food. People in Hamburg, Germany, improved it by kneading chopped beef sauce in flour, spreading it into cakes, frying it and eating it, so they named it "hamburger patties" after the name of the place. From 65438 to 0850, German immigrants brought the cooking technology of hamburger patties to the United States. 1932 some people make this fried beef pie into steamed buns, and sprinkle sesame seeds on the surface to eat as a staple food or snack. Later, after renovation, it was sandwiched in a bun cut in half, called hamburger, which means bread with hamburger beef patties.

Sandwiches and sandwiches are transliterated through the English word sandwich. Sandwich was originally an unknown town in southeast England. There is a sandwich count named John montague in town. He is a card lover. He is addicted to card games all day and forgets to eat and sleep. It was difficult for the servant to serve his diet, so he put some vegetables, eggs and sausages between two pieces of bread and let him eat while playing cards.

Unexpectedly, montague was overjoyed to see this kind of food and casually called it "sandwich". When he was hungry, he shouted, "bring sandwiches!" " Other gamblers followed suit and began to eat sandwiches while playing cards. Soon, sandwiches spread all over the British Isles, to the European continent, and later to the United States.

Hot dogs are a way to eat ham sausage. The word "hot dog" originated in America comes from a wrong writing in a cartoon. 1906, the slender and streamlined sausage is still a novel food in the United States, with various names, such as "sausage", "Frank sausage", "Vienna sausage", "little red sausage" and "Texaco dog sausage". Texaco is a kind of brown-haired dog, with long body and short legs, so it is named after its sausage appearance is quite similar to that of this breed of dog. During this period, Harry Stevens, who obtained the right to register snacks, promoted his Texaco dog sausage bread to the baseball field in new york and became a popular food.