The invention provides a planting device. The device comprises a plurality of planting grooves arranged in a mutual superposition manner and a plurality of field planting plates; each planting grooveforms a receiving space and a first opening communicating with the receiving space; each field planting plate includes a plurality of planting concave parts and is composed of a planting surface and two first supporting parts connected with two opposite sides of the planting surface, and connection places are separately provided with a first connecting line; each planting concave part is receivedin one corresponding first receiving space; one planting surface is corresponding to one corresponding first opening; each planting surface is composed of a first sub-surface and a second sub-surfacewhich are connected, and the connection place is provided with a second connecting line; and second openings of the planting concave parts are arranged in the planting surfaces with one another in a preset distance or arranged in the first sub-surfaces and the second sub-surfaces in a staggered manner, wherein a vertical height from a second connecting line of each field planting plate to a horizontal plane of one first opening of one correspondingly arranged planting groove is greater than or equal to a vertical height from a first connecting line of each field planting plate to a horizontalplane of one corresponding first opening of one correspondingly arranged planting groove.