In 2017, the curriculum guideline was revised for the third time. Using the text mining method, we did a comparative analysis of the revised contents of the curriculum guideline. In order to solve the grade 1 problem at primary school, which has been an issue in the education of modern society, coordination with preschool education has been positioned as an important factor. The curriculum guideline shows that the Living Environment Studies has a great role to play in that sense as well. From the comparative analysis between the revised curriculum guideline for Living Environment Studies and the curriculum guidelines in the past, we found that the Living Environment Studies tended to emphasize more and more on learning activities to increase the quality of "awareness", and further enrich the activities and experiences. We found out the keywords that it is important to increase the quality of "awareness" among children in the class of Living Environment Studies to solve the grade 1