The purpose of this study is to develop and present “A Tentative Plan of the Healing Ministry Group Program to the Adult-Child through Redecision Therapy”, which leads not only to educate and healing Adult-Children in dysfunctional family but also to prevent such situation. Adult-Child in normal family and the opposite in the eye of the Bible. It describes and analyzes the past, present, future of an Adult-Child in accordance with the 8 stages of psychological & social development brought by Erik Erikson to pull out the existent problem of Adult-child. As a result, it is diagnosed that the existent problem of Adult-child comes from lack of humanistic & close intercourse with Ego- Others-God. And also it establishes the direction of this program for curing Adult-child, to check the appropriateness of this program and then looked over the general view and theory of Therapy. This program shall be directed to reinforcement of personality power and close intercourse with Ego-Others-God, based on the model presented by Fehr and Hans. And it developed the program of healing Adult-child, utilizing the usefulness of Redecision Therapy and complementing the limitation. The program of healing Adult-child comprises 6 stages with 12 sessions in total; Beginning stage (1st stage), Education and Analysis (2nd~5th stage), Curing (6~9th stage), Combination (10th stage), Promotion (11th stage), Announcement & Finishing (12th stage). Each session is designed to take 180 minutes a week with attendance of 8 to 10 people. Lastly, the nature required to proceed this program is listed. The feature of this program is as follows; First, it introduces multilateral personality examination in healing Adult-child. Second, it leads to educate, analyze, remedy abnormal Ego and family through Redecision therapy, which is one of professional psychological therapies. Third, it makes Ego-Others-God united and helps growth of personality through the Circle at Bible. Fourth, it transmits a technique of Mind-fasting and Spirit-fasting so that self-healing and spiritual growth can be continued after finishing the course of this program. It plays a role to change the family to a positive functioning through \"Family Mission Declaration\" and a dispatch ceremony. It is also designed to prevent such Adult-child in next generation. That is, psychological remedy and spiritual healing was combined at this program based on Christianity. It integrates all the aspects like training, remedy, promoting, and prevention. Lastly, it ends with some suggestions as below for subsequent research. First, it shall set clearly the extent of examination for Adult-children and it is required to develop standard diagnostic examination tool for Adult-Child. Second, it says that prevention is better that lots of healing. Hence, when this program is designed and applied to the newly married couples and future couples, it will prevent Adult-children at next generation a lot and contribute to make healthy and happy family.