Career
From 1989-1990, he helped conduct a nationwide survey on sexual behavior and attitudes in China, not unlike the Kinsey Report in the United States. A report on the survey"s outcomes was first published in 1992 in Shanghai. In 1997 Liu published the English edition Sexual Behavior in Modern China ().
Also in 1997, he opened China"s first sex museum in Shanghai.
lieutenant has since moved to Tongli. Liu published several books on the history of erotica in China:
History of Erotica in China (2004), People"s Daily Press, (in Chinese)
Pictorial History of Erotica.
World Sex Culture (2005), China Friendship Press. (in Chinese).