An aromatic microcapsule, aromatic chemical fiber false eyelashes and preparation methods thereof. The preparation of the aromatic chemical fiber false eyelashes includes preparation of the aromatic microcapsule including preparation of a wall material solution and a core material solution including a niobate. The core material solution further contains a silane coupling agent and an essential oil or fragrance, where a mass ratio of the essential oil or fragrance to the silane coupling agent to the niobate is (1-3):(1-3):(0.5-1), and the niobate is KNa2[Nb24O72H21]·38H2O.