o occupational safety and health improvement, PT. TRIGUNAPRATAMA ABADI is a company engaged in the manufacture of cultural paper or commonly called Joss Paper. This paper is specifically used by the Taiwanese people in religious ceremonies. In the production process of making this cultural paper, the company uses raw materials of bamboo and caustic soda which are processed with heavy machines such as piling machines, crushing machines, cutting machines and so on. Victims of work accidents that occur in the company average 5 times per month. To reduce the number of work accidents, it is necessary to conduct research on occupational safety and health. The research is based on the calculation of the frequency ratio of injuries and the severity of work accidents, identifying the factors causing work accidents, providing suggestions for improvements to Occupational Safety and Health at PT. TRIGUNAPRATAMA ABADI. To calculate the frequency ratio of injuries and the severity ratio of injuries using existing data in the company. To identify the factors causing accidents based on the theory of the roots of work accidents. Where the selection of these causal factors uses discussions with pares experts. To determine the strength of the relationship between the causal factors and work accidents, correlation method calculations and simple regression calculations were used to see the linearity of the relationship between the factors causing accidents. And the results of the calculations obtained the average value of the frequency and severity ratio of injuries, respectively, were 70.17 71 accident victims occurred every million man-hours worked and 4018.5 days lost in one million productive hours. While the factors that cause work accidents are human factors, environmental factors and deviation factors of K3 policies. The results of the calculation of the highest correlation of work accidents are human factors of 0.917, the second is the deviation factor of K3 policies of 0.828 and environmental factors of 0.49. Based on the results of data processing and analysis, the company's Occupational Safety and Health can be evaluated based on the principle of zero accident (0%). The proposed improvements that must be made by the company are to create and implement an Occupational Safety and Health Management System (SMK3) based on the Regulation of the Minister of Manpower No. 5 / 1996 and audit the SMK3 periodically every 3-6 months. To improve the work environment, the number of displays is increased with strategic placement, providing trash bins that are adjusted to the number of machines, cleaning production waste regularly, there are K3 supervisors who supervise cleaning staff, carrying out greening around the factory location and requiring all workers to use work safety equipment provided by the company, such as masks, boots, hand sailing and others. PT. Trigunapratama Abadi