This study aims to determine the effect of product completeness and price on purchasing decisions for office stationery at UD. Pemancar Ilmu Store in Namlea. This research is descriptive correlation research. The object of this research is consumers who represent personal and institutional / both government and private institutions who have been or have become customers and make purchases of stationery products at UD. Pemancar Ilmu Store in Namlea City. This research took place from April to May 2020. The type of data in this study was qualitative data and quantitative data. Data collection techniques in this study using observation and questionnaires. The data analysis in this study used multiple linear regression analysis. The results showed that there was a positive influence between product completeness on purchasing decisions, and there was a positive influence between product completeness on purchasing decisions at UD. Pemancar Ilmu Store in Namlea City. This shows that the availability of goods in a store including variations in brands, product sizes, types, and variations in the quality of products sold in a store will affect consumer purchasing decisions. The more complete a store, the more it meets the needs and desires of consumers.