Professor Liu Yuetan has devoted himself to the development and management of local enterprises and brands since returning to China in 2006, specializing in the development and management direction of enterprises and brands. Its operating projects include many domestic and foreign enterprises and brand growth cases, and more than 0/00 professional research works have been published, which provides practical guiding significance and reference value for the development of many large first-line enterprises and brands in China.

In 2008, he was hired as the chief brand marketing expert of China-ASEAN Expo. In 2009, he served as Deputy Secretary-General of Shandong Advertising Association. 20 10 presided over the teaching reform project of Shandong university. 20 1 1 was selected as an outstanding talent of the Ministry of Education in the new century. 20 12 served as deputy dean of the School of Literature and Journalism and Communication of Shandong University. At the same time, Professor Liu Yuetan is the host of the National Social Science Fund, the winner of the Research Fund for Outstanding Returned Overseas Students of the Ministry of Education, the teaching expert of Shandong University, and the winner of the Teaching Achievement Award. He published nearly 100 academic papers and 5 books. Special commentator of Shandong TV Station "Shandong News Network and Telling Things", special guest of Shandong TV Station "New Xingtan" and special guest of qtv "Creation". "Sales and Marketing" (review edition) invited experts, "Modern Marketing" most popular author award.