This study investigates how to effectively utilize dry-aged beef trimmings for low-loss oil-sealed aging, in order to introduce more affordable aged beef products. While the dry-aging technique of beef has been widely used with the advancement of refrigeration technology, its cost makes it less accessible to consumers. This study aims to explore how to efficiently use trimmings and ensure the meat's flavor is similar to that of dry-aged beef, referencing the oil-sealed aging method abroad. The research findings can provide new product opportunities for restaurants and reduce the barrier for consumers to enjoy aged beef steak.