Technology roadmap refers to the application of concise graphics, tables, words and other forms to describe the steps of technological change or the logical relationship between technology-related links. It can help users to make clear the development direction of this field and the key technologies needed to achieve their goals, and clarify the relationship between products and technologies. It includes the final result and the formulation process. Technology roadmap has the basic characteristics of high generalization, high synthesis and forward-looking.

The abscissa of the technology roadmap is time, and the ordinate is resources, R&D projects, technologies, products and markets. Applicable to enterprise product research and development, industrial development planning and regional or national strategic planning.

Technology roadmap is a structured planning method, which can be summarized from three aspects: as a process, it can integrate the views of various stakeholders and unify them to the expected goals. At the same time, as a product, it effectively combines goals, resources and markets vertically, clarifies their relationship and attributes, and predicts the future; As a method, it can be widely used in technical plan management, industry future prediction, national macro management and so on.