He is a descendant of Li Zijia, the interior minister during the reign of Tongzhi and Guangxu in Qing Dynasty. Li Zijia, the capital of the internal affairs of the Qing Dynasty, was deeply trusted by Cixi. Every day, the menu of the imperial kitchen is examined and approved by him, and he has tasted all the dishes eaten by Cixi and the emperor. Every time he reads a cookbook, he keeps it in mind, writes it down one by one when he gets home, and sorts out a set of cookbooks in his later years. The owner of "Lijiacai" is Li, a retired professor in capital university of economics and business.
There are many celebrities eating in Li Jia's restaurant. So far, this restaurant has received more than 60 heads of state or business celebrities, and almost all foreign heads of state and ambassadors to China have been to this small shop. For example, former US President Bill Clinton, the world's richest man Bill Gates and boxing champion Ali, as well as Rockefeller family members and officials from companies such as General Motors, DuPont, Morgan and IBM. Li Lao is proficient in English, Li Lao's wife is proficient in Japanese, and his parents are comfortable in receiving foreign guests.