The Jinan School is famous for its soup, supplemented by popping, stir-frying, broiling and deep-frying, and is characterized by clear, fresh, crispy and tender dishes. Among the famous dishes are clear soup with assorted vegetables and milk soup with bushels of vegetables, which are fresh and elegant and unique. The sweet and sour Yellow River carp which is tender inside and burnt outside, the crispy and tender oil-exploded double-crisp, and the pot tofu which is the treasure of vegetarian dishes show the fire power of Jinan School. In the Guangxu period of the Qing Dynasty, the owner of Jiuhualin Restaurant in Jinan shuffled the pig intestines, boiled them in boiling water with spices until they were soft and crispy, then cut them into segments and added soy sauce, sugar and spices to make fragrant and fat braised intestines, which were famous in the city. Later in the production of improvements, the cleaned large intestine into the boiling water after cooking, into the frying pan, and then add seasoning and spices cooking, this dish tastes more delicious. Literati according to its production of fine as the Taoist "nine refined golden elixir" in general, it will be named "nine-turn large intestine".