The importance of proper nutrition labeling on food products cannot be overstated. As consumers need to make informed decisions about the foods they eat, accurate labeling is crucial in this regard. Among the various nutrients that need to be labeled, fat is one of the most important. It not only provides energy, but also has a significant impact on one's health depending on the type and amount consumed. Therefore, it is essential that food labels provide clear and accurate information about the fat content and its various components, such as fatty acids. In this article, ChemLinked explores the definitions of fat and fatty acids, China's current requirements for fat labeling on food products, and the potential trends in this area.