The present invention provides a method for removing an outer skin of an onion and a device for removing an outer skin of an onion that can easily remove the outer skin of the onion and suppress damage to the edible part when the outer skin is removed. A method for removing an outer skin of an onion according to the present invention comprises step A of irradiating the outer skin of the onion with a laser under conditions that enable selective cutting of the outer skin, and making a cut in the outer skin; and step B of removing the outer skin with the cut from the onion, wherein the wavelength of the laser is 300 to 500 nm.

The present invention provides a method for removing an outer skin of an onion and a device for removing an outer skin of an onion that can easily remove the outer skin of the onion and suppress damage to the edible part when the outer skin is removed. A method for removing an outer skin of an onion according to the present invention comprises step A of irradiating the outer skin of the onion with a laser under conditions that enable selective cutting of the outer skin, and making a cut in the outer skin; and step B of removing the outer skin with the cut from the onion, wherein the wavelength of the laser is 300 to 500 nm.

The present invention provides a method for removing an outer skin of an onion and a device for removing an outer skin of an onion that can easily remove the outer skin of the onion and suppress damage to the edible part when the outer skin is removed. A method for removing an outer skin of an onion according to the present invention comprises step A of irradiating the outer skin of the onion with a laser under conditions that enable selective cutting of the outer skin, and making a cut in the outer skin; and step B of removing the outer skin with the cut from the onion, wherein the wavelength of the laser is 300 to 500 nm.