This article investigates the impact of product cost management on the performance of the food manufacturing companies in Tripoli, Lebanon. This article purpose is to explore the suitable application related to cost management and the performance of the food manufacturing. The methodology style applied is the descriptive method and the quantitative style were examined. A sample size of 84 respondents is distribute between 12 companies with 7 respondents per company. The SPSS version 26 was interpreted for analyzing the collected data from the sample size. The results of this article define that product cost management has a positive impact of on the performance of companies of the food manufacturing companies in Tripoli, Lebanon. It is recommended to control the level of fixed and variable cost below to the total cost of the competitor’s product.