This study has analyzed trends of academic papers published in the Journal of Studies in Counterterrorism Policies from 2004 to 2011 in the methodology of language network. The results of the analysis are as follows. First of all, the trends of work in the Journal of Studies in Counterterrorism Policies have revealed that the centrality values of key words like “terrorism,” “counterterrorism,” “measures,” and “preparedness” were taken to be high. Next, year-based differences have shown first that the frequencies of “America,” “anti-terrorism act,” “practice,” and “legislative” were high in 2004, and second so were the frequencies of “changes,” “regulations,” “terrorism,” “international treaties,” “executed laws,” and “establishment” in 2005. Third, the frequencies of “counterterrorism policies,” “changes in counterterrorism policies,” and “developed countries” were high in 2006, and so were the frequencies of “terrorism,” “Al-Qaeda,” “organization,” “emergency medical systems,” “radiation terrorism,” “interconnectedness,” “Islam,” and “Islamic radicalism” in 2007. Fourth, the frequencies of “authorities,” “conditions,” “terrorism,” “radiation,” “cooperation,” “radiation terrorism,” “radioactive materials,” “security control,” “danger,” and “facilities” were high in 2008, and so were the frequencies of “conditions,” “terrorism,” “individual countries,” “related laws,” “functions,” “counterterrorism organizations,” “status,” “financial conditions” etc. in 2009. Fifth, the frequencies of “direction of improvement,” “law,” “threatening terrorism,” “governance,” “mutual assistance,” “international cyber terrorism,” “international criminal justice,” “counterterrorism policies,” and “effectiveness” were high in 2010, and so were those of “terrorism,” “autonomous terrorism,” “autonomous terrorism,” and “sociological” in 2011.