As early as the end of the Qing Dynasty, there were many vendors in the streets and lanes of Chengdu, carrying carts and baskets to sell cold lung slices. The low-cost offal of beef offal is finely processed, pickled and sliced, and mixed with soy sauce, red oil, pepper, Chili noodles, sesame noodles and so on. Unique flavor, low price, especially popular with rickshaw pullers, porters and poor students.

During 1930, a couple set up a stall in Chengdu, Sichuan. The male name is Guo Chaohua and the female name is Zhang Tianzheng. One is made, and the other is sold. The cold lung slices are exquisite in workmanship, golden and shiny in color, spicy and delicious. Because the raw material used is cheap beef offal, cut into thin slices and mixed with seasoning, it was originally called "stewed slices" or "waste slices" One day, a businessman tasted the lung slices made by Mr. and Mrs. Guo and was surprised. He sent a gold plaque. Because the word "waste" was indecent or the word "stew" was homophonic, the book was renamed "Husband and wife lung slices". Since then, the snack "Husband and wife lung slices" has become more famous. In order to meet the tastes and requirements of customers, the couple constantly improved the materials and production methods, and gradually introduced new raw materials such as beef and mutton.

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As early as the end of the Qing Dynasty, there were many vendors in the streets and lanes of Chengdu, carrying carts and baskets to sell cold lung slices. The low-cost offal of beef offal is finely processed, pickled and sliced, and mixed with soy sauce, red oil, pepper, Chili noodles, sesame noodles and so on. Unique flavor, low price, especially popular with rickshaw pullers, porters and poor students.

During 1930, a couple set up a stall in Chengdu, Sichuan. The male name is Guo Chaohua and the female name is Zhang Tianzheng. One is made, and the other is sold. The cold lung slices are exquisite in workmanship, golden and shiny in color, spicy and delicious. Because the raw material used is cheap beef offal, cut into thin slices and mixed with seasoning, it was originally called "stewed slices" or "waste slices" One day, a businessman tasted the lung slices made by Mr. and Mrs. Guo and was surprised. He sent a gold plaque. Because the word "waste" was indecent or the word "stew" was homophonic, the book was renamed "Husband and wife lung slices". Since then, the snack "Husband and wife lung slices" has become more famous. In order to meet the tastes and requirements of customers, the couple constantly improved the materials and production methods, and gradually introduced new raw materials such as beef and mutton.