Proper and timely use of media potential increases the efficiency and effectiveness of statesmen in implementing their policies. Since national trust is considered the most important indicator of a government's legitimacy and a country's power tool, it can be said that the main mission of the media serving politicians has no goal other than influencing the minds and thoughts of the audience. The Islamic Republic of Iran, after the victory of the revolution, has been and is under massive attacks by various Western media, including the BBC. Psychological operation techniques have precise theoretical and scientific support in the fields of psychology, sociology, and communication sciences. Proper use of these techniques, in terms of complexity, efficiency, dynamism, and at the same time being dangerous, plays a significant role in inducing concepts to the audience and penetrating their minds. This research has been conducted with the aim of examining the methods and tactics of psychological operations of BBC Persian television regarding Iran's nuclear activities in recent years. The most important question that focuses the results of this research is: What are the methods and tactics of psychological operations employed by BBC Persian television regarding Iran's nuclear activities in recent years? In this research, quantitative content analysis has been used, and the statistical population of the research consists of the programs of this network in a specific time period. The sample size includes all news, reports, and analyses broadcast by this network that were available in written form on its official website and were selected by census. The obtained results revealed that the mentioned network, firstly, has used several psychological operation methods regarding Iran's nuclear activities in recent years, the most prominent of which are priming/agenda-setting and repetition, and secondly, highlights 18 topics more than other topics, the most important of which are the negotiations between Iran and the P5+1 and the clarification of Iran's nuclear program. Also, necessary suggestions for countering these tactics are presented in this research.