The invention relates to the technical field of Chinese medicinal material planting, in particular to a planting device for rhizoma gastrodiae, which comprises a planting box, wherein a bottom plate,a cushion bottom layer, a culture layer, a planting layer and a covering layer are sequentially arranged in the planting box from top down, the cushion bottom layer, the culture layer, the planting layer and the covering layer are filled with soft sand; the bottom plate is provided with a vent pipe, the top end of the vent pipe is higher than the bottom plate, a supporting column is fixed on the vent pipe, a conical second cover is fixed on the supporting column, the tip of the second cover is arranged upwards, and the bottom end of the second cover is arranged between the top end of the ventpipe and the bottom plate; branches are arranged in the culture layer, strains of honey fungus is arranged on the branches, a planting matrix of the rhizoma gastrodiae is placed in the planting layer,a soil moisture detection mechanism is arranged in the covering layer, and the soil moisture detection mechanism is electrically connected with a microcontroller. Compared with the prior art, the device has low cost, and can better realize the control of the environmental temperature and the humidity of the planting of the rhizoma gastrodiae.