This invention relates to a plant spraying machine and in particular, this invention relates to a plant spraying machine work can be easily.performed in a cultivated land, garden, wherein a pre-installed facility is used so that installation cost is not needed to be repeatedly spent thereby reducing operation and maintenance costs. More particularly, this present invention relates to a plant spraying machine which create a pressure on the content and allow it to flow out from another predefine hole. Furthermore, this invention also relates to a plant spraying machine which has the beneficial effects of having, safety and reliability.