The filial generation by using the plant or this kind of plant of one or more genetic transformation of the Ri plasmids from agrobacterium rhizogenes with the agrobacterium rhizogenes infection containing Ri plasmids is described, the plant or filial generation include one or more genes that Ri plasmids are originated from described in 1 to 5 copy in its genome. Purposes furthermore there is disclosed this kind of plant or its filial generation as ornamental plant is used as field crop kind, for food extract, cosmetics, fragrance or is used as medicinal plant. Further disclose the preparation method of this kind of plant. The plant is compared to the check plant display medium altitude of no agrobacterium rhizogenes sequence and/or with the metabolin of higher amount, without spending several significant decrease or flowering time delay.