Abstract:The research progress of rubber powder modified asphalt is systematically reviewed, aiming to summarize the current research background, purpose, theoretical basis, research methods and application progress of rubber powder modified asphalt in road engineering. Through in-depth analysis of relevant literature, firstly, the research background and significance of rubber powder modified asphalt are introduced, and its application value in modern road engineering is elaborated. And then, the theoretical basis of rubber powder modified asphalt is summarized, and the innovation and challenges of its research methods are discussed, including the innovative approaches and the challenges faced. In the methodology discussion section, the research methods are classified in detail, and the characteristics, limitations and future development directions of existing research methods are discussed. Finally, the main conclusions of the current research are summarized and the future research direction of rubber powder modified asphalt is expected in order to provide reference and inspiration for the research in this field.