Western fast food; ; Fast food refers to food that can be prepared and served quickly. Generally, you can take it by hand without tableware, and most of it can be taken out or taken out. Words first appeared in the West and were introduced to China in 1980s, also known as "foreign fast food".

Hamburg (English: Hamburger), a transliteration of its English name, is a kind of food that originated in Hamburg, Germany. Later, it was introduced to the United States, and American hamburgers improved by Americans swept the world and became the main food in modern western fast food.

The earliest hamburgers were mainly composed of two buns and a beef pie. In modern hamburgers, besides beef patties or other patties, the second round bread is also coated with butter, mustard, ketchup and salad dressing. Then there are tomato slices, onions, pickles and other foods. Can be eaten at the same time. It is convenient to eat, delicious and comprehensive in nutrition, and has now become one of the staple foods that sell well in the world. Because hamburgers are high in calories and contain a lot of fat, they are not suitable for people who lose weight or people with hypertension and hyperlipidemia to eat too much.