At present, it is difficult to tell the exact age of snacks in Beijing, but it was developed during the Republic of China. Snacks in Beijing are now time-honored in Beijing, such as Huguosi snacks, pot-cooked sausages, fried chicken and so on. These snacks can also be bought in some restaurants in Beijing. They are: halogen fire, fried belly, bean juice and so on. These Beijing snacks are deeply loved by Beijingers. Back to the topic, why did these traditional snacks in Beijing develop from the early years of the Republic of China? Because, Beijing snacks are actually the meals that poor people in old Beijing often eat. What do the rich people in old Beijing eat? They eat pork and pig's elbow, and seldom eat pig's viscera. These internal organs have become food for the poor. For example, braised pork, with pork intestines and lungs that the rich don't eat as the main meat material, plus fire that can fight hunger, is both satisfying and hungry ... The braised pork in old Beijing also needs some diced fat meat to taste it, and the fat meat is cheaper. Old Beijing snacks used to be outdoor, such as Tianqiao. All the people who eat are drivers and manual workers. For example, the same is true for a tripe. Rich people eat beef, and seldom eat the internal organs of cattle. This will gradually become food for the poor. Therefore, snacks in old Beijing are all poor people's food, in order to save money and fight hunger. ...