城市铜雕都处于室外，日晒雨淋会使他们失去原有的风格。所以应该定期清洗。然而，城市铜雕通常并不小。应该如何清洗？大多数人使用高压水清洗的方法。这种治标不治本的方法是对铜雕本身的一种伤害。 如果城市铜雕上的污垢太重，先用冷风吹。
The City bronze sculptures are all outdoors. The sun and rain will make them lose their original style. So it should be cleaned regularly. However, City Bronze carvings are usually not small. How should it be cleaned? Most people use high-pressure water cleaning methods. This method of curing symptoms without curing the root causes is a kind of injury to the bronze sculpture itself. If the dirt on the copper sculpture in the city is too heavy, first blow it with cold air.
然后用草刷清洗，最后用软刷收尾。切勿使用会使黄铜褪色的金属抛光剂、水或任何其他溶剂。最后，在城市铜雕上涂上一层无色蜡，使铜体具有抗氧化、抗腐蚀、抗酸雨和抗空气污染的能力。这也是防治结合的好办法。
Then wash with a straw brush and finish with a soft brush. Do not use metal polishes, water or any other solvents that discolor brass. Finally, a layer of colorless wax is applied to the copper carvings in the city to make the copper body have the ability of anti-oxidation, anti-corrosion, acid rain and anti-air pollution. This is also a good way to combine prevention and control.