In order to Investigate the knowledge and usage of personal protective equipments with 290 workers interviewed who were employed in 200 welding shops in Kerman. The data were recorded in a questionnaire. The results showed that in respect to personal protective equipments 31.4℅ had low knowledge, 50.3℅ medium knowledge and 18.3℅ good knowledge. Hand shieldwelding , safety goggles, clothes and glove are used more frequently than other protective equipments. There was a significant relationships between age, occupational history, skill and their knowledge.