This research aims to identify one of the important improvement approaches currently in the business world, namely Kaizen, which has achieved the enhancement of the quality of the organization's outputs and the achievement of the success it aspires to, which has been reflected in achieving profit and excellence, and effectively in improving the performance of human resources in particular, as we will learn about the mechanism of this, by reviewing the most important aspects related to the concept of the Kaizen approach, passing through to give a general picture of its impact on human resources performance, and reaching to shed light on the Japanese experience in managing human resources using the Kaizen approach. The study concluded that it is necessary to follow the Japanese experience in managing human resources, given its effective role in improving performance and keeping pace with the contemporary changes and challenges witnessed by the business environment.