Development and Application of Intervention Program to Improve Mental Health and Quality of Life of Solid Tumor Survivors and Caregivers

Inclusion Criteria: * Those between the ages of 10 and 24, and diagnosed with pediatric solid tumor, who are undergoing treatment or survivors who have completed the treatment and the treatment end date is within 2 years. * Parent or legal guardian who is a primary caregiver to children and adolescent patient of acute-transitional phase. * Those whose cognitive ability is capable of verbal counseling and who agrees to the evaluation assessment. Exclusion Criteria: * Those who disagree to participate as a research subject. * Those whose psycho-emotional state requires professional treatment or medical conditions precludes intervention. * Those undergoing treatment and children and adolescent survivors of acute-transitional phase, whose prior intelligence assessment FSIQ score is less than 70. However, if the GAI score is 70 or higher, participation is possible after the principal investigator's interview, with linguistic competence taken into consideration. Elimination Criteria: * Those who withdraw consent of this research. * Those who have difficulty participating due to worsening of disease or decease of patient.