In 2002, he presided over the development of Dongfang Online Home, the first large-scale SNS platform in China, and was later listed as the main project of the national Internet access project by the Ministry of Education. In 2003, he joined Ye Hao Advertising Network Company, which was later called "China Internet Marketing Whampoa Military Academy" and was an early core member of the company.

In 2006, in the third online advertising competition in China, Liu won the first grand prize in the history of online marketing in China. When Li Xia, the host, asked the grand prize winner "What do you think of the power of subversion", Liu replied: "Subversion will subvert traditional culture, lifestyle and ideology. The social pyramid will be dissolved and the world will be gradually erased. With the continuous penetration of the Internet into all levels of our social life, all restrictions will be broken and a new pattern will be created. The "digital age" will also completely subvert the traditional business value shaping system since the industrial revolution. With the rapid development of wireless broadband and the continuous evolution of desktop Internet, smart phones have become popular, and the era of mobile Internet has arrived. On 20 10, Liu founded the sharing media, which became and developed the LBS+SNS mobile life service platform "I am here and I should be there". During this period, Liu and China Academy of Sciences designed the "Convenient China" mobile public service platform for the National Tourism Administration, which has been listed as the key project of China Tourism Administration's information intelligence by the State Science and Technology Commission. During 14' s digital marketing career, Liu served more than 300 top enterprises in various industries in China market. These include real estate, finance, IT, automobiles, FMCG, e-commerce, telecommunications, home appliances, medicine, online games and so on.