This study applied enneagram personality type system to improve the quality of life by efficient job placement for industrial workers. Applying the enneagram personality type system in a constantly changing business environment has a competitive edge in developing and utilizing workers' internal resources and capabilities. Each of enneagram nine type has characteristics such as core needs, motive and ability in job field, expression method and relationship. These characteristics can be used for efficient job placement of workers. In Korea, for the past 30 years when enneagram was introduced, educational programs for the public, teenagers and parents have been developed, but the professional programs for company were very poor. Therefore, educational programs development for professional business managers and workers are required.