The Great Tang Snack Food is a drama series starring Li Zixuan and Liu Runnan in the restaurant genre. It tells the story of Yuan Wan'er, a female chef with excellent cooking skills, who, after suffering from career, family and emotional crises, continues to work hard for the ideal of a famous chef, and eventually wins the recognition of the culinary industry and establishes the No.1 restaurant in Chang'an by virtue of her superb culinary skills.

The heroine, Yuan Wan Er, is a quirky little cook who has a passion for good food and loves to study how to make delicious food. Because Yuan Wan Er is a cross over she especially likes to make some modern food, as long as the food can be thought of, she will find a way to make it. Don't look at Yuan Wan'er's delicate and cute looks, she was also a particularly famous chef, the food she made was very popular with many people.

The male lead, Bai Yiming, on the other hand, is a cold and playful eunuch, and the first time he meets the female lead, Yuan Wan Er, he is attracted by her superior cooking skills. But the hard-mouthed and soft-hearted male protagonist Bai Yiming doesn't admit that he's conquered by Yuan Wan'er's cooking skills. He fights with the female protagonist Yuan Wan'er and dislikes her lack of rules, but he's always the first one to support Yuan Wan'er when she needs help.