Xi Jinping’s important exposition on investigation and research is an integral part of Xi Jinping’s Thought on Socialism with Chinese Characteristics in the New Era, and is the latest innovative theory of the party’s investigation work. Xi Jinping’s important exposition on investigation and research takes the Marxist investigation and research method as the theoretical cornerstone, inherits the tradition of the Chinese nation’s style collection and investigation, inherits the investigation and research practice of the party’s successive leaders, and combines the practical needs of comprehensively deepening reform in the new era, forming a scientific theoretical system with Chinese characteristics.This important exposition has important value implications in the new era. Xi Jinping’s important exposition on investigation and research clarifies the practical orientation of investigation and research from four aspects: adhering to the system concept, focusing on the main contradictions, adhering to the people-centered, and paying attention to keeping pace with the times, and provides a solid guarantee for the comprehensive construction of a modern socialist country by improving the depth and effectiveness of investigation and research, strengthening the institutionalization and standardization construction, and promoting the deep integration of investigation and research and scientific decision-making.