The utility model provides an automatic change control bamboo screen or curtain dry kiln, includes PLC control system, the kiln body, heater, air heater and exhaust wet fan, the kiln body including air chamber and drying chamber, air chamber and drying chamber between be provided with the partition wall, partition wall upper portion is provided with the wind channel, the heater be steam pipe heater, be provided with the electrical control valve in its steam intake pipe, be provided with in the air chamber with the temperature and humidity sensor of PLC control system electricity federation, exhaust wet fan install drying chamber outer wall top and with the PLC control system electricity federation, exhaust wet fan's motor is inverter motor, the top of drying chamber be provided with electric roller shutter, kiln body top is provided with the driving and hangs. The beneficial effects of the utility model are that: the bamboo screen or curtain hangs the lift on and lift off with the driving, uses manpower sparingly, and control system electronic on through control steam intake pipe or pneumatic control valve aperture realize the control of room temperature, realizes humidity in the control room through control exhaust wet fan's rotational speed.