To naturally hold the lower end part of a cushion between legs regarding a body pillow type snore preventing implement.

The snore preventing implement (10) comprises: a body pillow type cushion (20); a lower jaw mounting part (21) positioned at the upper end part of the cushion (20); a pair of left and right arm insertion parts (60) formed on the left and right side faces of the cushion (20) for respectively inserting the upper arm more on the center side than the elbow of the arm; a bend part (22) positioned at the lower end part of the cushion (20) and bendable to the back between the legs; and a pair of leg insertion parts (70) formed on the front surface of the cushion (20) for respectively inserting the thighs of the left and right legs. For the pair of left and right arm insertion parts (60) and the pair of left and right leg insertion parts (70), a material with flexibility (a flexible part 71 for instance) at least partially is used.