Wu Lijian, alias Uncle Sam, since childhood with his grandfather to learn cooking skills, and later in the Beijing Hotel to follow Zheng Xiusheng master, proficient in Lu Cuisine, Sichuan Cuisine, Cantonese Cuisine, etc., served as the Yanshan Hotel, China Resources Hotel chef, but also was the Olympic Games designated food and beverage suppliers, and later due to the concept of incompatibility with the great-grandfather Zheng Xiusheng and the second uncle Sun Lixin, quit the "old rice bone" combination.