Abstract : Occupational safety in small industries is something that must be considered, because many workers experience work accidents due to poor work attitudes such as not using personal protective equipment to avoid the risk of work accidents. The purpose of this study was to find out whether there is a relationship between knowledge of personal protective equipment and the level of compliance in using personal protective equipment to reduce the risk of work accidents in the blacksmith industry. The sample in this study were all blacksmith workers in Bagoang Village, Jasinga District, Bogor Regency with a total sampling of 32 respondents, all of whom were machete craftsmen. This research method is a type of quantitative research, using a Cross Sectional design, with Chi Square test data analysis with a 95% confidence level there is a relationship between knowledge of personal protective equipment and adherence to the use of personal protective equipment with a p value = 0.03. The results showed a significant correlation between knowledge of personal protective equipment and adherence to the use of personal protective equipment at work, where knowledge of the use of personal protective equipment made a significant contribution, namely 19% of workers' knowledge was insufficient, 56% of workers' knowledge was sufficient, while good knowledge contributes 25%, The conclusion obtained is that there is a significant relationship together with knowledge of the use of personal protective equipment on the incidence of work accidents of ironworkers.