The crispy rice is delicious and nutritious, and is usually made of rice, soybeans and millet. It is one of the favorite snacks for invigorating spleen, promoting digestion and stopping diarrhea. Diabetic patients should not eat. The crispy rice can be used not only as snacks and food, but also to make many dishes. According to legend, when Emperor Qianlong went down to the south of the Yangtze River, he ate in a small restaurant. He ate the marinade boiled with shrimp, shredded chicken and chicken soup and poured it on the wok on the spot. Suddenly, the sound of frying was loud and the aroma was tangy. Qianlong tasted it and found it crispy and delicious, so he asked what it was. The shopkeeper smiled and said, "This is called thunder on the ground." Gan Long blurted out: "This dish is the best in the world." Since then, "the best dish in the world" has become a traditional dish preserved in many places.

Nowadays, rice crust has been widely used in cooking, such as mushroom rice crust, squid rice crust, sea cucumber rice crust, scallop rice crust and fish belly rice crust. The food industry has also made a big fuss about crispy rice, and processed different shapes of packaged crispy rice in Fiona Fang, which is ready to use. The origin of crispy rice should be in Anhui. On June 4th, Beijing Evening News 1994 published Mr. Li Zhiwen's article about the origin of "Guoba", which was originally a word with local color in Anhui dialect. Yao Yongpu, the late literary master of Tongcheng School, can prove this point in his Essays on Old News. Among them, the famous words and deeds "The Army of the Wangs" have such a description: Li () and Gong () in Taihu Lake live in the same official position, and they have a cheap name, which was called Wang Baicai and Li Guoba at that time. Guoba, Anhui dialect, means cooking rice at the bottom of the pot. Accordingly, the "rice crust" in modern Chinese evolved from the "rice crust" in Anhui dialect; "Ba" is not a simplified word of "Ba", for example, it is not simplified to "Ba". While tasting crispy rosin crispy rice crust, we can also see Anhui people's small contribution to national cuisine and thesaurus by investigating its origin.