Insect-resisting and refreshing vein bookmark and preparation method thereof

The invention provides an insect-resisting and refreshing vein bookmark and a preparation method thereof. The method includes the following steps that (1) pretreatment is performed as follows: Magnolia denudate leaves are selected, and Magnolia denudate veins are obtained after soda boiling and removal of mesophyll; (2) insect-resisting treatment is performed as follows: the Magnolia denudate veins obtained in step (1) are soaked in an alum solution to be treated and then are air-dried; (3) aroma enhancement treatment is performed as follows: the air-dried Magnolia denudate veins are soaked inan essential oil mixed solution for aroma enhancement treatment; (4) sealing is performed as follows: the obtained Magnolia denudate veins are placed in the middle of transparent rigid plastic with distilled water dropped, and after the forms of the Magnolia denudate veins are kept to be completely stretched, suction drying is performed by the aid of filtering paper; a filling agent is slowly dropped in the hollowed-out