Core Insights - The article discusses the application of TRIZ theory in the innovation of labor union work, highlighting its potential to guide cross-disciplinary innovation [1][2] - The book "Union Innovation Methodology - Case Studies Based on TRIZ" serves as a resource for understanding and implementing innovative practices within labor unions [1][2] Group 1: TRIZ Theory Application - TRIZ theory, developed by Soviet inventor Altshuller, is being utilized to analyze and innovate labor union practices, demonstrating its relevance across different fields [1] - The integration of TRIZ with labor union work is challenging but has been supported by practical experiences from the China Machinery Metallurgy Building Materials Union [1] Group 2: Innovation Methodology - The book provides insights into the evolution of labor union work, showcasing methods like system evolution laws and contradiction matrices to enhance services for workers [2] - Tools such as the "Osborn Checklist" and "Twelve Methods of Watanabe" are included to support the theoretical framework for labor union innovation in the new era [2]