A mature person is a person with good self-differentiation, naturally interacts with others, It has an interpersonal pattern of living an entirely personal life. The healthy development of children is the beginning process that affects school life and social life. This is the time to be interested and acknowledged for new objects. A healthy developmental child has experienced enough reliance from past infant caregivers It is said that they form a positive relationship. On the other hand Without experiencing enough positive reliance from the main caregiver, Negative internalization negatively affects positive relationships when experiencing psychological deprivation. Sandtray therapy is a process of forming a trusting relationship between the client and the counselor and of a hat-unity. When the child is confident that he can depend on the counselor, Therefore, we experience a positive internalization of the object. The subjects of the study were 7 - year - old boys who were not free from peer relations with school and appealed for maladjustment. The sand box treatment process was performed once a week for 36 minutes once a week for 50 minutes. The analysis process was divided into early, middle, and late. Therefore, fairbearing theory and sandtray therapy were related to depressed child.