The present utility model is related to an intraoral anti-snoring device, comprising a mouthpiece, a hard palate withstanding portion and a soft palate support. The mouthpiece is used to fit the upper teeth of a user. The hard palate withstanding portion is connected to the mouthpiece, extends away from the oral opening toward to the back, and fits the hard palate of the user to withstand it. The soft palate support is connected to the hard palate withstanding portion, extends away from the oral opening toward to the back, and is used to support the soft palate of the user.本創作關於一種口內止鼾裝置，包括牙套部、硬顎抵靠部、以及軟顎支撐部。牙套部係用以套合於一使用者之上排牙齒。硬顎抵靠部與該牙套部連接並朝向該使用者之口腔後方延伸，且該硬顎抵靠部與該使用者之硬顎配合以抵靠該硬顎。而軟顎支撐部則與該硬顎抵靠部連接並朝向該使用者之口腔後方延伸，且該軟顎支撐部係用以支撐該使用者之軟顎。
