The invention relates to a scenic area tour-guide system based on APP of a smart phone, belonging to the technical field of scenic area tour guide. The scenic area tour-guide system comprises the smart phone equipped with the scenic area tour-guide APP and a scenic area monitoring center management system, wherein the scenic area tour-guide APP and the scenic area monitoring center management system are interrelated, and realize information synchronization through a wireless communication network; the scenic area tour-guide APP comprises a registering module, a positioning module, a movement recording module, a tour-guide module, an evaluating module and a one-key calling module; the scenic area monitoring center management system is used for realizing the shortest path planning tour-guidefunction based on individual scenic spot selection of tourists and the path planning tour-guide function realizing experiencing of the scenic spots or items needing queue-up in the scenic areas basedon the shortest time algorithm according to the relevant information collected by the scenic area tour-guide APP. For the APP of the smart phone provided by the invention, the popularization and useare convenient, the construction cost is low, the time waiting problem caused by queue-up for experiencing the scenic spots or the items in the scenic areas is fully considered, and thus congestion can be effectively avoided.