This study analyzed the regional distribution, academic achievements, review and editorial performance of international journal reviewers in the field of library and information science and what factors were related to the impact of the journals they reviewed. This study extracted 307 international academic journal reviewers in the field of library and information science based on WOS researcher profile and inCite. In addition, impact metrics of the journals reviewed by these reviewers were collected and nonparametric correlation analysis and logistic regression analysis were performed. The analysis results showed that, first, LIS international academic journal reviewers are distributed in the order of the US, Spain, and the UK, and it was analyzed that there are a small number of researchers who demonstrate top-notch academic achievements and review performance, forming an overall long-tail graph. Second, the academic performance of LIS international journal reviewers was found to have a weak correlation (r= 0.38 p<0.01) with their participation in journal publications, such as reviewing and editing. So the two were interpreted as somewhat independent activities. Third, the influence of the journals reviewed by the researchers under analysis was more closely related to impact index such as the number of citations and h-Index than to the amount of papers they published. And .the logistic regression analysis results showed that only the H index was 1.15, indicating a positive effect (95% CI: 1.094-1.209).