Abstract: Modern food industry aimed at green, healthy and more convenient foods. The use of natural ingredients with functional activity was an attractive way to design new foods.Due to its high in protein content and richness in carotenoids and vitamins, Chlorella had many healthcare functions and could be used in food industry as a functional food and nutrition enhancing agent.Research progress in the applications of Chlorella in health food and functional foods in recent years, especially in staple food, baked food, and beverage, was reviewed in this paper in order to provide valuable information for the further application of Chlorella in food industry.