The pacifier is made of silicone which is the highest quality and the medical grade from innocuous and odorless, can be sterilize under temperature of 120'C; Flexible and clean, durable and indefectible; Have special effect for growth and safeguard of infant's gum; Can be promote growth of infant's tooth and exercise cheek muscle; The special shape of arc body and round caput suit the suck action of infant's mouth, and hasten the exudation of non-nasality enzyme, make the infant promote digestion, have a quiet emotion and allay the blubber.