Disclosed is a preparation method of a fragrant and healthcare bra cup. The preparation method of the fragrant and healthcare bra cup comprises the following technical steps of preparing pieces cut from soluble medium materials for wrapping a fragrant layer, and bonding the pieces into a fragrant material filling pack; filling fragrant material filler into the sewed fragrant material filling packvia a sewing notch, and then sealing the sewing notch to form a formed fragrant material cushion layer; uniformly arranging a plurality of the formed fragrant material cushion layer onto laid internalmaterials, and then laying external cup materials 4 onto the formed fragrant material cushion layers to for a cup mold pressing combination; performing mold pressing on the cup mold pressing combination at 150-250 DEG C for 60-240 minutes. The preparation method of the fragrant and healthcare bra cup is simple in technical steps, can thoroughly volatize the fragrance of the fragrant filler into the entire cup and meanwhile fully lock the fragrance from loss to avoid fragrance healing effects due to washing or long-time application.