The communication needs of society formed language. As the communication needs of that linguistic community change, so does language. With coronavirus outbreak in the world, there have been changes in the lifestyle and interactions of all members of society. The occurrence of these changes is widely seen in the vocabulary of the language. Due to the social distance, people received all the information about the coronavirus from the social networks and one reliable source for information on the coronavirus was the minister of health messages. So, this study aims at identifying and examining the speech acts in Iran's minister of health speeches about the COVID-19 pandemic. In this article, 263 messages of the minister of health of Iran, Dr. Saeed Namaki, which included the general content of all his messages, were examined by descriptive-analytical method. The collected messages were categorized using speech acts and analysed utilizing statistical methods such as Chi-square test and SPSS software. The most important conclusions we obtained from the data review were as follows: Dr. Namaki, made all five classes of Searl (1969) speech acts with varying degrees of these classes. The assertive speech acts with the frequency 101 and rank 1 was the most used (in assertive speech act, emphasis with frequency 31 and rank 2 and oppose with frequency 1 and rank 6 had the most and the least use, respectively) and the commissive speech acts with frequency 4 was the least used (commissive speech acts has two components contain prove and promise which each one used 50 percent) by Iran's minister of health among the speech acts about the COVID-19 pandemic. The differences among the frequency of speech acts components use were statistically significant (P<0.05).
