Objective: anger and aggressive are effects of chronic illnesses such as childhood cancer. The aim of the present study is investigation of the efficacy of the combination of mental imagination and massage therapy on anger in children with cancer.

Materials & Methods: the research method of the study was clinical trial and was done in Eram clinic of Ardabil’s boali hospital. Thirty children with blood and lymph cancer were selected by accessible method and were plague into two groups as experimental group (15 children) and control group (15 children). For data gathering, Steels anger expression scale were used in pretest and posttest phases. Therapist thought the subjects of the experimental group and used two techniques individually with children, during three weeks (six sessions with two times per week) about 20 minutes in one session. For data analysis was used multiply analysis of variance.

Results: Findings showed that there is significant difference in anger trait, anger expression, inner anger and anger control in experimental group in pretest and posttest phases (P<0.001, P<0.05). In experimental group, anger trait, anger expression and inner anger had been decreased and anger control was increased, but there was no significant difference in this variable in control group.

Conclusion: The combination of two techniques of massage therapy and mental imagination decreases the aggression and anger emotion during in treatment of children with cancer. Thus education and application of these techniques are effective in reduction of the psychological effects of the cancer and its side effects of treatments.