A fixing device applicable to an ear including a cartilage and a skin covering the cartilage is provided. A gap is formed between the skin and the cartilage. The fixing device includes a puncturing unit and a clamping unit. The puncturing unit includes a puncturing needle penetrating the skin, the gap and the cartilage. The clamping unit includes a clamping opening engaged with the puncturing needle to have the puncturing unit and the clamping unit pressing the skin. Wherein, the skin is attached to the cartilage through the pressing of the puncturing unit and the clamping unit so as to remove the gap. In addition, the puncturing needle has a trench to drain the blood away.
