The development of technology causes significant changes in the occupational fields that are needed and the requirements, nature, and structure of the professions. Some professions are being forgotten because they are no longer needed, some evolve to survive or new occupational groups are formed. Making a career choice by following these changes and developments in professions can become quite difficult and complicated. At this point, people should make the right career plan and use the right resources when choosing their career that shapes their lives. Career planning is very important in terms of gaining the ability to control people's future with the knowledge they have acquired. Especially in today's world of work, people can quit their profession after choosing a profession and start looking for a new profession. Therefore, individual's career life can be in a state of constant change. Thus, career planning is not a specific period, but a dynamic process that continues until the end of human life. Being able to manage this process in a healthy way has some positive consequences in human life Success is one of these results. The purpose of this study is to examine the effect of an individual's career plan on success through the relevant literature. According to the research results made in Turkey and foreign countries, it has been found that making a career plan increases the productivity, occupation, and life satisfaction of the individual in working life. At the same time, career planning not only increases job performance but also ensures that people enjoy working and become successful in the workplace.