This invention provides a kind of structure improvement of potted plants, which includes a soil basin and a water basin. The soil basin is used to hold soil or culture soil. There is a bottom plate at the bottom and a plurality of holes in the bottom plate. The water basin is located under the soil basin to hold water and supply the soil or culture soil water in the soil basin. The top of the water basin is combined with the bottom of the soil basin To make the maximum full water level of the basin lower than the bottom plate of the basin.本創作係提供一種盆栽之結構改良,其係包括一土盆及一水盆,土盆用以盛置土壤或培養土,底部有一底板,底板有複數個孔洞,水盆位於土盆下方,用以盛置水份,供應土盆內土壤或培養土水份,水盆頂部與土盆底部相結合;其特徵在於:土盆之底板高於水盆頂端,以令水盆最高滿水位低於土盆之底板。