Abstract
The Covid-19 epidemic is known as "the deadliest plague of the century" that has overshadowed various aspects of human life. Despite mutations in SARS-CoV-2, the development of new strains, and the escape of immunity, preventive health behaviors continue to play a key role in controlling this epidemic. The purpose of this study was to determine the relationship between risk perception and the performance of preventive behaviors of people in the Covid-19 peak period in society. This anonymous online survey was conducted with 1950 people in 30 provinces of Iran. The results showed that by increasing the score of cognitive, social and emotional structures of people's perception of risk, their performance in following health recommendations increases.