The aim of the current research is to design a multicultural curriculum model for the elementary education period in Iran. Open and selective coding was used to analyze the data in the data theory of the foundation, and open and central coding was used to analyze the data in the content analysis of documents and textbooks and the thematic analysis method. Among the most important of them are the discovery of the paradigmatic model of multicultural education, which was named as the theory of merit of multicultural education based on the aggregation and integration of the findings. The results of the analysis of the upstream documents showed that the components of multicultural education have been taken into account to some extent, but in a clear and using manner. Multicultural literature has not been used. The investigations of this research showed that even the few cases that are mentioned in the upper-level documents of the approved country have not been properly realized in the textbooks.