The utility model relates to the sugarcane planting technical field, concretely relates to a height adjustable rotary sugarcane spraying equipment, including moving dolly, storage box, pushing mechanism and adjusting mechanism, adjusting mechanism includes base, support slide, bearing seat, adjusting screw rod, sliding block, adjusting motor, connecting arm, fixed plate, spraying frame, extraction device and rotating device, and through the control adjusting
motor action when spraying, will be able to drive adjusting screw rod rotation, the sliding block vertical sliding can be realized, thereby the connecting arm and the vertical lifting of spraying frame can realize height adjustment, realize simple and fast adjustment spraying range, have more flexible and large -range covering effect, and under the cooperation of rotating device, the angle swing of spraying frame can be realized and is adjusted, further improve the spraying range, and then can adjust the working height of spraying frame when spraying, benefit the increase of spraying range.