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Microencapsulation of essential oils can provide sustained release properties of their products. The reasonable selection of microcapsule wall materials is considered to be the key to effectively controlling the action time of essential oils and improving the stability of the products. From the classification of proteins and polysaccharides, the research status of the wall materials of sustained-release microcapsule of essential oils are summarized, and their development trend and prospects are introduced. It is expected to provide a useful basis for the research and industrial production of essential oil microcapsules in food industry and other related fields.