The utility model provides a kind of snore stopper, including:Upper jaw retaining device and lower jaw retaining device;The lower jaw retaining device includes wing plate and bindiny mechanism, and the wing plate connect by the bindiny mechanism with the lower jaw retaining device, and the wing plate is mobilizable is arranged on the lower jaw retaining device;The boss for limiting the flap position is provided on the upper jaw retaining device, the boss be used for contradict the wing plate to snore stopper uses when throat direction movement, it is related to the technical field that domestic medicine often uses equipment, it solves the oral cavity in the prior art due to people to have differences and change so that snore stopper inconvenience is adjusted, the technical issues of modulability is poor, reach and facilitated adjusting connection mechanism, can have been had differences by the oral cavity of people and changed and carry out the technique effect of fine adjustments.