The invention relates to a microcapsule, which comprises a core material and a wall material, wherein the core material is tree moss absolute; the wall material is a konjac glucomannan and chistan compound. The microcapsule has the advantages that (1) because of the synergistic function of polysaccharides, the film-forming property is better after the konjac glucomannan and the chistan are compounded, and the core material can be well protected; (2) because the physical and chemical properties of the microcapsule are stable, when a cigarette is burnt, the wall material is damaged, the core material is released, the fragrance increasing function is realized, and the purpose of improving the quality of the cigarette is realized; (3) the technology of a preparation method is simple, the environment-friendly effect of a selected reagent is realized, and the obtained product is safe and poisonless.