The invention discloses a system and a method for promoting national park tourism experience based on an augmented reality technique. The system comprises a mobile intelligent device, a mobile networksystem and a cloud server system, wherein the mobile intelligent device and the cloud server system have information interaction through the mobile network system; the mobile intelligent device comprises an image collecting module, an information interaction module and a display module; the cloud server system comprises an image recognition module, an image matting and fusing module and a data storage module; an image acquired by the image collecting module is introduced into the image recognition module; the cloud server system is used for automatically recognizing the position information collected by the image and calling the classic data information on the position for selecting by the tourists; the image acquired by the image collecting module is introduced into the image matting andfusing module and is fused with the data storage module; the tourists can exchange the traveling experience through the information interaction module and the data is stored in the data storage module through the mobile network system, so that the traveling experience of the tourists is promoted.