A planting device includes a plurality of planting bodies. Each planting body has wall holes bottom holes thereon. Each plating body further comprises connection posts, connection holes and stop board at two ends thereof. The connection posts of one planting body are engaged with the connection holes of the next planting body so as to form the planting device. The wall holes and the bottom holes provide better permeability for soil. The present invention has a simple configuration and is convenient for use.