Yu Jinji Middle School attended Baptist Boys' College and later joined the family dyeing house business. He has received training from Bayer and casella, and has many years of experience in garment manufacturing. In 2000, with the upsurge of science network, the company transformed, and now it is the chairman of Softbank Development Co., Ltd. and Yongan Tourism and Chinese Media Group Co., Ltd.
Yu Jinji loves many sports, including football and racing, and has held many public offices, including former chairman of the Executive Committee of the Community Chest of Hong Kong, director of the Hong Kong Football Association and supervisor of the Hong Kong Automobile Association.
Yu Jinji's wife is Kuang Guiping and Yu Yongjun is his daughter. In 2002, Yu Jinji hosted the 30th Anniversary Pearl Wedding Dinner at the Ritz-Carlton Hotel in Central, and published his Six Laws of a Good Wife. Yu Jinyuan is Yu Jinji's younger brother.