Fragrance carrier holder

A fragrance carrier holder, comprising:

• a rear wall, configured to face a mounting surface;
• a front wall, opposite to the rear wall;
• a side wall, connected to the front wall and the rear wall;
• and
• a cover body, rotatably disposed on a side of the front wall back away from the rear wall;
• wherein the side wall defines a first opening and a second opening opposite to the first opening;
• the rear wall defines a plurality of rear-wall through holes, and the front wall defines a plurality of front-wall through holes;
• the cover body is configured to cover or expose the plurality of front-wall through holes in response to being rotated;
• the fragrance carrier holder further comprises a plurality of suction cups arranged on a side of the rear wall back away from the front wall;
• wherein the front wall, the rear wall, the side wall, and the plurality of suction cups are of a one-piece structure and made of a flexible material.