The invention discloses an axially-chiral fluorescence dye compound having a characteristic of aggregation-induced luminescence. The invention further discloses a preparation method of the compound. The compound disclosed by the invention has the advantages of being simple and convenient to synthetize, high in product yield, simple to purify and the like, the synthetized compound concurrently has the characteristics of an axially-chiral structure of binaphthol and the characteristics of fluorescence of a coumarin structure, has the characteristics of long transmitted wave length, larger stocks shift and aggregation-induced luminescence, presents yellow fluorescence at solid state, and has potential application in the field of organic luminescent materials and fluorescence test.