What you want to ask is which version of Luotian county tourism management professional books are used? Chongqing University Press published a series of teaching materials for tourism major in secondary vocational education, Tourism Policies and Regulations. According to the inquiry, official website of Luotian Science and Technology Middle School shows that. Professional Book of Tourism Management in Luotian Secondary Vocational School is a series of textbooks of Tourism Policies and Regulations of Secondary Vocational Education published by Chongqing University Press in 2006. The writer is Liao Hua. The book is divided into 13 chapters, mainly including basic legal knowledge, constitutional legal system, contract legal system, consumer rights protection legal system, travel agency management laws and regulations, and tour guide management laws and regulations.