The utility model relates to a plant planting device which uses plant nutrient solution to grow different plants, which comprises a box body and a culture chamber.The box body is provided with a planting unit, a light unit, a temperature unit, a humidity unit, an air circulation unit, a nutrient solution unit and a control unit.The control unit is electrically connected with the aforementioned units to control the units.The nutrient solution unit provides a nutrient solution of the planting unit. The nutrient solution consists of a lactic acid strain (Streptococcus thermophiles), which is made from organic fertilizer through secondary fermentation, and generates tiaolin, folic acid and formic acid.一種應用植物營養液於生長不同植物之植物植栽裝置，包含有：一箱體，其中具有一培養室。該箱體設有一植栽單元、一光單元、一溫度單元、一濕度單元、一空氣循環單元、一營養液單元，以及一控制單元。該控制單元分別電性連接前述各單元，藉以控制該等單元。該營養液單元提供該植栽單元一營養液，該營養液的成分包括：乳酸菌株(嗜熱鏈球菌(streptococcus thermophiles))，以有機肥料為基礎，透過二次發酵製成，生成瞟玲、葉酸、甲酸。
