1, different definitions: Sausage is a delicious food, and it is a low-temperature meat product with traditional China flavor produced by modern western meat processing technology. It is a kind of food with pork, chicken and beef as the main raw materials, which is processed by mincing, pickling, adding auxiliary materials, vacuum filling, smoking and baking, aseptic vacuum packaging and so on. And it needs to be distributed and stored in the whole cold chain. Meat products thawed before eating and baked in an electric oven are deeply loved by consumers. A hot dog is a whole bread or sandwich with sausages in it, which is a way to eat ham sausage. Hot dog sausage is a kind of flavor food popular among primary and middle school students on campus. It is found near campuses all over the country and is well received by the masses. It is delicious and nutritious.

2. Different origins: Sausages were produced before the Northern and Southern Dynasties. China sausage is one of the traditional foods in China and enjoys a high reputation at home and abroad. Hot dogs come from a mistake in an animated cartoon. During the period of 1906, the slender and streamlined sausage was still a novel food in the United States, with various names, such as "sausage", "frank sausage", "Vienna sausage" and "little red 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.

3. Different ingredients: The ingredients of sausage are auxiliary materials such as meat and starch. The ingredients of hot dogs are: wheat flour, edible oil, edible salt, drinking water, peppers, edible spices and so on. Food additives: lemon yellow, sodium deoxyacetate, aspartame (including phenylalanine), etc.