A plant cultivation apparatus including a box, an illumination module, a thermoelectric cooling chip, a first heat dissipation module, and a second heat dissipation module is provided. The box includes a cover and a planting space, wherein the cover has a first space and a second space isolated from each other, and the first space connects to a peripheral environment, the second space connects to the planting space. The illumination module located in the first space provides light toward the planting space. The thermoelectric cooling chip has a heating side located in the first space and a cooling side located in the second space. The first heat dissipation module located in the first space thermally connects to the heating side and the illumination module. The second heat dissipation module located in the second space connects to the cooling side and the planting space.一種植物栽培裝置,包括箱體、照明模組、致冷晶片、第一散熱模組以及第二散熱模組。箱體具有頂蓋與植栽空間。頂蓋具有彼此隔離的第一空間與第二空間,第一空間連通外部環境,第二空間連通該植栽空間。照明模組設置於頂蓋且位於第一空間並提供光源至植栽空間。致冷晶片設置於頂蓋且具冷端與熱端,熱端位於第一空間,冷端位於第二空間。第一散熱模組設置於第一空間且熱連接熱端與照明模組。第二散熱模組設置於第二空間且熱連接冷端與植栽空間。