But how to elude danger and execute scientific crisis management? To move former tourism system to rehabilitation and optimizing system, the paper analyzed the exterior gene of tourism system evolvement from point of view on system movement.

• 为规避风险,迫切需要探究旅游危机管理的内在机理,建立科学的旅游危机管理机制,推动旅游系统向修复或优化系统方向演变。