The utility model relates to a music pulling-starting device for joyous balls, which can cause joyous balls generate the repeating effect of firecracker. The utility model is composed of a plurality of triggering units which are connected by connecting pieces; each triggering unit comprises a support plate, a spring and a pull rope. A plurality of joyous balls can be triggered and can send out music orderly by drawing the pull rope. The utility model overcomes the inconvenience of stepping the joyous balls by feet, and has the advantages of simple structure, low material consumption, low cost and easy manufacture and implementation.