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This article analyzes the importance of improving code quality and refactoring methods in software development. Improving code quality is a crucial process that ensures the stability, readability, and extensibility of software products. The article examines the main principles of refactoring, its types, and modern techniques. It also highlights the criteria for assessing code quality and their role in the software engineering process. The research results contribute to identifying effective approaches to enhancing software product quality. This work serves as a guide for software engineers and researchers in defining practical directions for code quality improvement.