The invention discloses an assembling toy based on an augmented reality technology and a using method. The assembling toy comprises more than two assembling toy bodies and an intelligent terminal in which augmented reality technology software is preassembled; the assembling toy bodies are mutually assembled and placed, the intelligent terminal scans and recognizes the assembled assembling toy bodies, and a corresponding three-dimensional image is finally formed to interact with an operator. According to the assembling toy based on the augmented reality technology and the using method, the overall structural deign is simple, carrying is convenient, the shapes of the assembled three-dimensional assembling toy bodies are diverse, imagination of the operator can be fully developed, the entertainment effect of the assembling toy is expanded, and the assembling toy is a good educational toy integrating hand using, brain using, transforming and creating into a whole.