The invention relates to a packaging bag making machine for an automobile seat. The packaging bag making machine for the automobile seat comprises a working rack and is characterized in that a feeding mechanism is installed at the feeding end of the working rack; a headrest bag pneumatic electric sealing block and a packaging bag appearance pneumatic electric sealing block are sequentially installed at the upper part of the working rack; the headrest bag pneumatic electric sealing block is arranged on one side of the feeding end of the working rack; a pneumatic electric heating cutting sealing block is installed at the discharge end of the working rack; upper layer conveying rollers and lower layer conveying rollers are installed on the working rack below the headrest bag pneumatic electric sealing block; a first discharge roller, a length regulation roller, a second discharge roller and a traction roller group are sequentially installed at the discharge end of the working rack; a feeding mechanism is composed of a raw material frame and a feed traction frame; the raw material frame is provided with an upper layer raw material drum and a lower layer raw material drum; and a plurality of feeding rollers are arranged on the feed traction frame. According to the packaging bag making machine for the automobile seat, automation production can be realized, hot-seal ironed edges do not occur, and the production is efficient.