Yi Yin: Prime Minister of Shang Dynasty, a famous chef in Shang Tang, has the reputation of "cooking sage", and "Yi Yin soup" has been celebrated for thousands of years. Yi Yin likes to study food. One day, he didn't catch the chicken, so he ran into the kitchen and fell into the boiling oil. After taking it out, he felt that the chicken was tender and crisp, and Yi Yin was inspired. He tried to put the washed chicken in, and there was fried chicken.