The purpose of this is to examine the psychological problems and causes of North Korean defectors in the processes of settling down in South Korea and to examine the possibility of applying the TA as a counseling method to solve them. Currently, the Korea Hana Foundation operates a ‘special counselors for North Korean defectors’ system for professional counseling, but most of them are limited to living counseling rather than psychological counseling. In addition, counselors with experience in counseling North Korean defectors have difficulties in counseling due to cultural differences, prejudice against North Korean defectors, and the counselor’s own capabilities and supervision issues, but no solution has been suggested. Thus, in this parer, we divided the psychological problems of North Korean defectors into three stages and applied the TA theory as a solution to the problems. As a result, counseling on TA can solve the problems experienced by counselors in counseling for North Korean defectors, and the TA theory can be applied to solve common psychological problem of North Korean defectors. In particular, they suggested a plan to the theory of exchange analysis to North Korean defectors who lack inner strength due to repeated psychological trauma. Last but not least because of the nature of the paper, it covered the psychological problems of North Korean defectors to a limited extend, but said future studies could supplement these points.