Seven indications for rhinoplasty with hyaluronic acid: low nose: the bridge of the nose is low and flat, and the whole face lacks three-dimensional sense. Straight nose: the height of the bridge of the nose is acceptable, but the shape is straight and lacks a sense of taper. Saddle nose: the bridge of the nose and cartilage are mostly concave, with the tip of the nose facing upwards, resembling a saddle. Low nasal root: the nasal root is low and flat, the nose is short, and the proportion is out of balance. Nose with drooping tip: the tip of the nose is drooping, and the highest point of the nose is located at the back of the nose. Nose recumbent: Nose is figure-eight, nose wing is wide and flat. Wave nose: the central axis of the back of the nose is incomplete and smooth.