Hu Jintao denounced during the Cultural Revolution, an event that (together with his relatively humble origins) apparently had a deep effect upon Hu, who diligently tried to clear his father's name. He joined the Communist Party of China (CPC) in April 1964 and began to work as an engineer in July 1965 after he graduated from the Water Conservancy Engineering Department at Tsinghua University, where he majored in the study of hub hydropower stations. During his time at Tsinghua, he met his wife Liu Yongqing. In 1968, Hu volunteered for his service in Gansu and worked on the construction of Liujiaxia Hydroelectric
Hu Jintao is general protocol that Hu must have at least implicitly approved the use of force against protesters, whether he actually gave orders throughout 5 March is a matter of debate. In addition, John Tkacik cites that Hu had been coordinating with the Chengdu Military Region for troops to be on full alert as the situation progressed. Some diplomatic analysts linked what they saw as Hu's brutal use of force to the suppression of activists and students in Tiananmen Square, which took place three months later. Whether Hu provided "inspiration" for the PLA on 4 June is a matter of debate,