The utility model belongs to the technical field of drawing frame creeling equipment, and particularly relates to a cylinder pushing power device. The utility model provides a push cylinder power device which can output reliable linear driving force to a driven part and is beneficial to miniaturization of the device. The double-stroke motion output device comprises a linear motion power output power source, a power transmission element and a power output component, and the power output end of the linear motion power output power source is connected with the power output component through the power transmission element to form the double-stroke motion output device.