The predecessor of Jianxinyuan was "sanhechun", which was built in 1906 in the 32nd year of Guangxu reign. It is said that it was run by LV GUI, a fellow chef in the catering industry at that time, who was known as the "living kitchen king". Pottery spoon in the famous shop "changmeiju", lvgui"s shop is called "sanhechun", which means the combination of heaven, earth and people, color, fragrance and taste, and also implies the meaning of "long beauty". However, he did not dare to follow the example of the grand banquet. He judged the situation and took the management of Dian flavor snacks as its characteristics.