Based on keyword co-occurrence, this study conducted a clustering analysis of keywords and identified a total of 7 clusters, represented by irregular squares, namely: "physical fitness" (#0), "exercise intervention" (#1), "insulin resistance marker" (#2), "pediatric non-alcoholic fatty liver disease" (#3), "pediatric non-alcoholic fatty liver disease" (#4), "allergic diseases" (#5), and "physical activity intervention" (#6). Here, INS is linked to allergic disease.