Abstract: The invention relates to a portable solar energy curtain with photoelectric conversion, which provides an easy-carried and easy-expanded structure and a photoelectric conversion circuit combined with a design of a plurality of thermoelectric cooling chips for efficiently helping indoor or car-inner heating or cooling. The present invention provides appropriate cold air for cooling the temperature inside the cars and keeping at room temperature when the cars stop with doors closed. Further, the present invention provides cold air or hot air at anytime and anywhere for keeping tents or indoor spaces in the better temperature state. Therefore, the present invention is easy to use and carry without energy consumption.