"Pi Si" is a famous product in Gushi County, Henan Province. It is a dry product made of clean pigskin through soaking, degreasing, peeling, shredding and drying. Pigskin is called "skin" in ancient times and "Pippi" in common name. Leather silk, as the raw material of dishes, began to be produced in the late Ming Dynasty. Legend has it that it was created by the shopkeeper of Man Tangchun Restaurant in Guliao City (now Liaochenggang, Gushi County, Henan Province). During the Xianfeng period of Qing Dynasty, Wu, the governor of Gushi, was favored by emperors and queens for his local specialties. Since then, "GuShi Silk Skin" has been listed as a tribute. 19 14 was selected as a famous product from China to participate in the Panama World Expo, which made it famous in the world.

There are many ways to eat silk, such as roasting, burning, mixing and frying. It can cook more than 20 kinds of dishes. "Sweet-scented osmanthus shredded pork skin" is made by frying shredded pork skin with the yolk of Gushi yellow chicken. It looks like osmanthus in color, orange and yellow, charming and intoxicating.