This creation system discloses a kind of projection fragrance device, it is including an inductor, a sensor signal is generated to incude user, a controller is electrically connected inductor to receive sensor signal, and generates a control signal, control signal is simultaneously transferred in fragrance box and projector, fragrance box and projector system are respectively and electrically connected to controller, and to make fragrance box generate fragrance according to control signal, projector generates a projection pattern and is projected in a closet, when for user's urination, the urination of alignment projection pattern position. This creation experiences fragrance fragrance for interior, and can be projected out simultaneously in projection pattern what closet, the urination of projection pattern position is directed at for user, with the accuracy of training urination.本創作係揭露一種投影芳香裝置，其係包括一感應器，以感應使用者產生一感應訊號，一控制器電性連接感應器以接收感應訊號，並產生一控制訊號，控制訊號並傳遞至芳香器與投影器中，芳香器及投影器係分別電性連接至控制器，以根據控制訊號使芳香器產生芳香，投影器產生一投影圖案投射至一便器中，供使用者排尿時，對準投影圖案位置排尿。本創作可供室內感受到香氣芬芳，並可同時投影出投影圖案於便器中，供使用者對準投影圖案位置排尿，以訓練排尿的準確度。
