Valuable natural resources in protected areas cannot survive with weak protection. Patrol is globally proved as an essential form of protection of valuable resources in protected area, especially, the commercial high value species. Sadly, many of such species have been severely diminished or vanished from many protected areas where park rangers are available. Therefore, managers and conservation scientists have tried to modernize the patrol activity with science and technology to help park ranger cope with the situation. In Thailand, this development was named, “Smart Patrol System” together with patrol database called, “SMART” (Spatial Monitoring And Reporting Tool). It aims to equip park rangers and managers with information technology to better protect areas, boost their morale, by proud of their duty. The ultimate purpose is to guarantee that species and their intrinsic values can forever survive the greedy demands and indifferences in our human society.