Objectives: The aim of this study was to understand the experience and meaning of life in children with cancer that in this article present the god concept as one of its themes. Method: Current study is a qualitative descriptive phenomenological research. The sample includes 7 children with cancer selected using convenience sampling based on the most heterogeneity of samples. They were deeply interviewed. Data were analyzed using Colaizze method. Results: Based on the analysis of the data, ''the belief in God as being superior", was extracted as one of the main themes. This theme includes two sub-themes: 1) Faith in God and His satisfaction, and 2) Life as a context of divine testing. Conclusion: Belief in God, play an important role in understanding the meaning of life and the formation of a positive orientation to life in children with cancer. The findings of this study can be used as a conceptual base for explaining the concepts in other research and/or for designing interventional models for this kind of children.