Caregiving thinking is the ability to make connections between thought and emotion and encourages man to build a system of reflective value to judge matters compassionately and lovingly. Therefore, this study aims to investigate the components of caring thinking in Persian books in the first year of secondary education. This research is a descriptive and content analysis using the Shannon Entropy method. The sources analyzed are three volumes of the textbook of the first year of high school in 2021-2022. The research tool is a content analysis checklist according to the components of caring thinking, the validity of which was verified by Five experts in education. According to the analysis of the content of the book under study, it can be stated that in the Persian textbooks of the first year of high school, the critical factor of the component of normative thinking (0.2051), the component of appreciative thinking (0.2043), the component of active thinking (0.2020), Was the component of empathetic thinking (0.1957) and the component of affective thinking (0.1929). Therefore, the coefficient of the importance of the components of caring thinking in the Persian books of the first year of high school is not the same, and balance is not observed in regulating the content of these books. Considering the vital role of caring thinking in students' lives, it is suggested that the authors of textbooks pay attention to this crucial issue while reviewing the content of Persian books in the first year of high school.