According to the official data of Ziyan, as one of the classic signature dishes of Ziyan Baiwei Chicken brand, 963 1075 couples' lung slices went to the national food table in just two months from June to July.

Husband and wife lung slice is a famous dish in Chengdu, Sichuan, which was created by Guo Chaohua and Zhang Tianzheng. It is well-made, beautiful in color, tender and delicious, spicy and fragrant, and very palatable. It has been rated as one of the top ten classic dishes in Sichuan.

It is usually made of cow scalp, beef heart, beef tongue, tripe and beef, marinated, sliced, and then mixed with auxiliary materials such as Chili oil and pepper noodles to make red oil and poured on it.