Adhering to the principle of people first is a valuable experience of the Party''s century-long struggle and the fundamental stance of Xi Jinping''s Thought on Socialism with Chinese Characteristics for a New Era. The theoretical logic of people first is a clear manifestation of promoting two integrations, rooted in the people-oriented nature of Marxism, and drawing on and absorbing excellent traditional Chinese culture. Its practical logic is based on the great practice in the new era, is an inevitable requirement of promoting the great rejuvenation of the Chinese nation with Chinese path to modernization, is an inevitable choice to solve the major social contradictions in the new era, and is also the fundamental guarantee to promote the Party''s construction and ensure the Party''s core role in leadership. The supremacy of the people is an important achievement of deepening theoretical innovation in the new era and promoting the sinicization and modernization of the Marxist view of the people. It not only innovates and develops the people-centered thought in China''s excellent traditional culture, but also clarifies the value logic of China-style modernization and highlights its Chinese characteristics.