Coming to the 21st century，the innovation often brings new impact，idea and way of thinking to traditional society.In 2016，a new smartphone platform of Online “Taxi-Hailing Service” was launched in Macau，a crowded small city with narrow streets，which causes great disruption to traditional taxi services.The Taxi-Hailing App Uber is the typical one，its concept is to share the economic benefits by an independent cooperation.However，besides the disruption it caused to traditional taxi services，it is important to note that，only traditional taxi services is approved under the Macau law. So the legality of this Online“Taxi-Hailing Service”remains in doubt. In fact，it is an inspiration，how to consider the appearing of Online “Taxi-Hailing Service” by the power of the internet，usage of smartphone app is becoming popular and it is expanding rapidly among different kinds of business in Macau.Hope to innovate readers' thinking about this topic，make an activation of the thinking of Macau residents，politicians and legislators，and deepen the optimization of relevant fields.