The pharmaceutical industry is a capital-intensive, high-tech industry, highly regulations regulated by Good Manufacturing Regulations (CPOB), ethics, consumer protection and Industries that require workers with specific specifications and expertise. The research used in the form of a causal research where this research indicates whether there is any influence between Net Working Capital Turnover Ratios on Net Profit Margin Ratio in Pharmaceutical Industry. Sample Data used net working capital turnover ratio and net profit margin ratio of seven pharmaceutical companies listed in Indonesia Stock Exchange period 2012 to 2015. In this study variable net capital turnover ratio significantly influence the Net Profit Margin pharmaceutical industry in the period 2012- 2015 and the value of correlation coefficient of net capital turnover ratio to Net Profit Margin Pharmaceutical Industry in the period 2012 to 2015 is 0.822 which has a close relationship between net working capital turnover ratio of 82.2% to net profit margin ratio.
Keywords: Ratio, Net Working Capital Turnover, Net Profit Margi