"Tourism" is easy to understand in meaning. "Travel" is the process of traveling and going out, that is, to travel from place A to place B in space in order to achieve a certain goal; "Tour" means going out for sightseeing, sightseeing and entertainment, that is, traveling for these purposes. Together, it is tourism. Therefore, travel focuses on travel, which has not only the meaning of "travel", but also the meaning of sightseeing and entertainment.

Tour comes from Latin "tornare" and Greek "tornos", which means "lathe or circle; The meaning of movement around a central point or axis has evolved into "order" in modern English. Suffix -—ism is defined as "an action or process; And the suffix -ist stands for "people who engage in specific activities". Root tour is connected by suffix-—ism and-—ist, which refers to the movement of circular trajectory, so tourism refers to the reciprocating travel, that is, the activity of returning to the starting point after leaving; People who complete this trip are also called tourists.

Definition of technical statistics recommended by the World Tourism Organization and the United Nations Statistical Commission.

Tourism refers to activities that leave their usual environment for leisure, business or other purposes, go to some places and stay there for no more than one year. Tourism purposes include six categories: leisure, entertainment, vacation, visiting relatives and friends, business, professional visits, medical care, religion/worship, and others.