Zhong Gong (中功) is a spiritual movement based on qigong founded in 1987 by Zhang Hongbao. The full name (中华养生益智功) translates to "China Health Care and Wisdom Enhancement Practice." The system distinguished itself from other forms of qigong by its strong emphasis on commercialisation, and targeted strategy that aimed to build a national commercial organisation in China in the 1990s.

Zhong Gong achieved national prominence during the 'qigong fever' that gripped China during the Deng era. The denomination included a nationwide network of schools and healing centres based on Zhang's form of qigong before being outlawed by Chinese authorities in 1999. Zhang Hongbao claimed in 2003 to have about 38 million followers, and even Jiang Zemin allegedly believed in the curative power of Zhong Gong massage.

After China declared Zhong Gong an illegal organisation, all its assets and those of the 3,000 entitles constituting the Unicorn Group were confiscated, its 600 principals arrested. Zhong Gong wilted away once the organisation was no longer able to transmit the material and social benefits which were motivational drivers for its followers. After a warrant for the arrest of leader Zhang Hongbao was issued, he fled to United States and applied for political asylum--he gained Protective resident status in U.S. on 13 June 2001. Zhang died in a car accident in July 2006.

Yu Zhong (于忠) (452–518), né Wuniuyu Qiannian (勿忸于千年), courtesy name Sixian (思賢), formally Duke Wujing of Lingshou (靈壽武敬公), was an official of the Chinese/Xianbei dynasty Northern Wei who briefly served as regent during the reign of Emperor Xiaoming.

Wuniuyu Qiannian was born from a line of Northern Wei nobles of Xianbei ethnicity. His great-grandfather Wuniuyu Lidi (勿忸于栗磾) was one of Northern Wei's most famous generals during the reigns of Emperor Mingyuan and Emperor Taiwu. His father Wuniuyu Lie (勿忸于烈) served as a general during the reigns of Emperor Xiaowen and Emperor Xuanwu.

Wuniuyu Qiannian himself became a low level official during the regency of Emperor Xiaowen's stepgrandmother, Grand Empress Dowager Feng. Grand Empress Dowager Feng was strict and often punished officials for even minor offenses, but Wuniuyu Zhong was said to be diligent and honest, and was never punished by her. Emperor Xiaowen favored him as well, and steadily promoted him. Emperor Xiaowen also changed his name to Wuniuyu Deng (勿忸于登). In 496, pursuant to Emperor Xiaowen's edict to change Xianbei names to Han names as part of his sinicization campaign, the Wuniuyu clan's name was changed to Yu.