This study aims to analyze the Quality Control of Crude Palm Oil (CPO) using the Statistical Quality Control (SQC) Method at PT. Sapta Karya Damai, Central Kalimantan. The method used is descriptive qualitative approach and descriptive quantitative. The results in this study are 1) CPO deviation data using a check sheet, it can be seen that from 924 CPO sampling there were a number of samples that experienced deviations, the largest type of defect was in the free fatty acid (FFA) content ( 836), then followed by the water content. ( 405) and dirt (449). 2) Calculation using control chart X̅ -S there are data that are still outside the statistical control limits on free fatty acid (FFA) levels 3) Identification using a causal diagram (Fishbone Diagram) shows several causes of defects in free fatty acid levels (FFA) ), water content and dirt content. Recommendations in this study are 1) The company is expected to carry out more intensive supervision to be more thorough and disciplined. 2) The company must carry out preventive maintenance on machines and production equipment, make a better FFB reception area by providing a roof or protection for FFB. 3) The company's production management must pay more attention to each division of work of Human Resources in carrying out the production process starting from raw materials to production according to the SOP, so that the results are more optimal, production management should minimize the factors that cause high and low FFA, Moisture, and Dirty values to be in accordance with consumer desires and national standards, namely Fresh Fruit Bunches (FFB), labor, machinery and equipment, methods and the environment.