Sex positioning chair

A sex positioning chair, comprising:

• a frame body for being placed on the ground in a vertical direction, the frame body defining a receiving space;
• an inclined plate located in the receiving space and connected to the frame body, wherein a preset angle formed by the inclined plate with respect to the vertical direction is α, and 0°≤α≤50° is satisfied;
• a first support located below the inclined plate in the vertical direction and connected to the frame body;
• and
• a second support located above the inclined plate in the vertical direction and connected to the frame body, the second support being used for opening or closing the receiving space;
• when the sex positioning chair is used, the frame body is abutted against an edge of an external support, the receiving space is opened by the second support, legs of a woman are laid on the external support, an upper part of a hip of the woman enters the receiving space and is laid down along the inclined plate, and arms of the woman are supported on the first support to enable the upper part of the hip of the woman is kept at the preset angle with the vertical direction, a man is laid horizontally on the woman along a posture of the woman, and an upper part of a hip of the man is laid on the second support.