Xi Jinping’s thought on ethnic work in the new era including basic principle standing, basic theoretical viewpoints, basic working methods, and basic social practices regarding ethnic work is an important part of Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era. As a complete system, Xi Jinping’s thought on ethnic work in the new era scientifically answers essential theoretical and practical questions of ethnic work, and it is an action guide of developing new stage of ethnic work in the campaign for comprehensively establishing a moderately prosperous society and winning the great victory of socialism with Chinese characteristics in the new era.