A garment hanger bringing convenience to airing of a garment with a small neck opening comprises a hook. A fixed rod is fixedly connected with the lower end of the hook, an inserting-connecting cylinder is formed in the middle of the fixed rod, the inserting-connecting cylinder is provided with an opening, the hook is located at the opening end of the inserting-connecting cylinder, a movable rod is connected inside the inserting-connecting cylinder in a movable mode, a lower elastic buckle is arranged on the bottom wall of the inserting-connecting cylinder, an upper elastic buckle is arranged on the lower lateral wall of the movable rod, and the upper elastic buckle corresponds to the lower elastic buckle. A cross rod of an existing garment hanger is divided into the fixed rod and the movable rod, and the movable rod can stretch out and draw back relative to the fixed rod, and therefore when a user airs the garment with the small neck opening, firstly the user contracts the movable rod into the fixed rod to enable the overall width of the garment hanger to be smaller so that the garment hanger can be placed inside the garment from the neck opening easily, and then the user pulls out the movable rod from the fixed rod so that the garment is supported conveniently. The garment hanger bringing convenience to the airing of the garment with the small neck opening is convenient to operate and use.