Doulao, also called "Dulao", means to get good luck and win the lottery. Legend has it that Jin Jia, a Macao businessman in the late Ming and early Qing Dynasties, was penniless when he was young, but he was kind-hearted and often devoted all his money to helping the poor. The kindness and charity of merchant Jin Jia touched heaven. The kitchen god descended from the sky and gave him a magical bronze tripod with inexhaustible delicacies. The merchant Jin Jia brought it to many poor people to eat, because many people fished food from the bronze tripod, and everyone who fished food got good luck. Later, everyone named the bronze tripod "Du Lao". Later, several bullies learned about it and plotted to rob the bronze tripod. When robbing, the bronze tripod fell to the ground and smashed into mud. Businessman Jin Jia hurriedly grabbed a bronze tripod and turned it into a golden bean when he got home. Put the beans in the rice jar and the rice will be full. Put them in the oil pan and the oil will be full. Later, the businessman opened a hotel to help everyone, so that everyone could get good luck and good luck. The name of the hotel is "Doulao". "Doulao" has been passed down to this day. Eating doulao has become a brand-new hot pot fashion. Bean fishing pays special attention to the selection of materials, and the raw materials used are all excellent fish, shrimp and meat. Remove shells, skins, etc. Mash into mud. After about 10 steps, it was processed into "pills" and "smooth" without adding any preservatives and edible spices, which not only maintained the original nutritional components, but also had a good taste. The most popular rinse products are fresh shrimp, fresh fish, mutton, and fresh beef, each of which costs between 20 and 40 yuan. A gourmet expert said, using fishing (colander) to taste hot pot not only pays attention to hygiene, but also can eat cultural characteristics. Bean fishing is close to hot pot, which conforms to the eating habits of northeast people and is the main reason for its popularity.