Instant walnut food containing rose essential oil and preparation method of instant walnut food

The invention discloses instant walnut food containing rose essential oil. The instant walnut food comprises the following raw materials in parts by mass: 100 parts of walnut kernels, 10-15 parts of rose essential oil microcapsule powder, 4-8 parts of sweetening agent, 2-4 parts of antioxidant and 6-10 parts of oil-in-water microcapsule wall material II. The rose essential oil microcapsule powderis prepared in to an external water-in-oil and internal oil-in-water structural form, so that a release duration of rose essential oil can basically cover best drinking time of a beverage; and a roseessential oil flavor of the beverage is richest. When the instant walnut food is prepared, the oil-in-water microcapsule wall material II, dried walnut kernel material liquid and a sweetening agent forming a third oil-in-water shell are arranged on the surface of the rose essential oil microcapsule powder; an antioxidative component is embedded; stable quality of a product during long-term storageis ensured; and early rele