A music pacifier (100) includes a pacifier frame (101) and a nipple (102) which locates at the one side of the frame and a container (106) locates on the other side of the frame. Within the container (106), there is a music IC & power supply (108), an insulating house (109), and a vibrating transducer (110). The insulating house (109) made of soft material is used to insulate the vibration produced. The vibrating transducer (110) is used to convert the pre-stored music into vibration. It locates in the above-mentioned house and connects with the above-mentioned music IC. There is also a vibrating tongue (111) which is used to pass the vibration produced by the above-mentioned vibrating transducer to an infant's jaw, including a contacting part (114) of the above-mentioned vibrating transducer which locates in the above-mentioned house as well as a tongue (113) which protrudes from the above-mentioned house and extends into the above-mentioned nipple.