The results showed that the average quality of life of thalassemic children before the intervention was 26.23 in test group and 27.62 in the control group and they were not significantly different (p > 0.05). However after performing the model, the average quality of life in the test group reached 35.19 while it was 28.02 in control group and the observed dif¬ference was statistically significant (p < 0.05).