Marxism-Leninism and other ideas, and he was increasingly yearning for the newly established People's Republic of China. In addition, at that time Chinese overseas students discussed whether to return to China and participate in the construction of the new China. Xiao Guangyan was acquainted with some students who returned to China, who influenced him to take the same decision. The US immigration officials tried to retain Xiaoguang Yan, explaining that they would complete the formalities for him to live in US within two to three months, but he refused to stay. Relocation to China Therefore, in 1950 Xiao Guangyan traveled to China as a literature student at the University of Chicago (not as a PhD, so as not to be obstructed by the Immigration Bureau). He set off in November 1950 and boarded the President Wilson cruise in Los Angeles, USA, passing through Honolulu and Manila, in late December he arrived to Hong Kong, and to Beijing in March 1951. Once in China, Xiao Guangyan was assigned to work in the Ministry of Petroleum Industry of the People's Republic of China. After living in Beijing for some time, Xiao Guangyan moved to Dalian and worked in the Dalian branch of the Northeast Institute of Science (Dalian Institute of Chemical Physics). After the outbreak of the Korean War, the Chinese society began to distrust of intellectuals who had returned from the United States; with the development of the ideological reform movement in 1951, and people started to reject Xiao Guangyan, and later questioned his motives for returning to China, and was criticized for talking about his previous life in the United States, and for "worshiping foreigners and wooing foreigners". Facing criticism, Xiaoguang Yan developed a strong sense of anger. Xiaoguang Yan was anxious, experiencing mood swings, some days he would miss work to protest, and on occasions took large doses of sleeping pills. After the ideological reform movement ended, Xiao Guangyan's life calmed down, and the leader of the institute apologized to him for his unfounded suspicion, and Xiao worked hard to resume work regardless previous suspicions. In early 1956, the Beijing Petroleum Refining Research Institute was established and Xiao Guangyan was invited to work here; he came to Beijing to experience the working environment for a while, and finally thought that Dalian had more basic research and the environment was more suitable for him, so he decided to refuse the