Tourism crime ' s definition , properties , characteristics , basic qualities , reasons of occurrence , sort standards and precautionary measures are the main things that this discipline studied . among these things , the definition , classifying , confirmation and prevention of tourism crime are emphases and difficulties 旅游犯罪的定義、性質、特點、產生原因、分類標準和預防策略是旅游犯罪學研究的主要內容,其中,定義、分類、產生原因、罪與非罪的界限和預防策略是研究的重點和難點。