金纳米材料因具有比表面积大、生物相容性强、还原性强、催化性高等特点，而

Gold nanomaterials are widely used in electrochemical analysis because of their large specific surface area, strong biocompatibility, strong reducibility, and high catalytic properties. Fixing gold nanoparticles to the electrode surface increases the specific surface area and improves the sensitivity of the electrode. Several preparation methods of gold nanoparticle modified electrode were introduced and summarized, such as self-assembly method, electrochemical deposition method, reduction method and one-step method, etc. The application in other aspects is reviewed.

金纳米材料因具有比表面积大、生物相容性强、还原性强、催化性高等特点，而广泛应用于电化学分析中。将金纳米颗粒固定到电极表面，增加了比表面积，提高了电极的灵敏度。对金纳米颗粒修饰电极的几种制备方法进行了介绍与总结，例如：自组装法、电化学沉积法、还原法和一步法等，并对其在材料分析、药物检测、生物分析、食品分析等方面的应用进行了综述。

Gold nanomaterials are widely used in electrochemical analysis because of their large specific surface area, strong biocompatibility, strong reducibility and high catalysis. The gold nanoparticles were fixed on the electrode surface, which increased the specific surface area and the sensitivity of the electrode. Several preparation methods of gold nanoparticle modified electrode, such as self-assembly method, electrochemical deposition method, reduction method and one-step method, were introduced and summarized. Their applications in material analysis, drug detection, biological analysis and food analysis were also reviewed.