Platinum is one of the rarest elements in the crustal.Because of its good physical properties and stable chemical characteristic.Platinum is used in many fields,such as catalyst industry.Only a few countries produce platinum,Prices are affected by markets and national policies.Firstly,The paper analyzes the variation in supply and demand in the worldwide during the past ten years and summarizes the reasons for significant changes each time,According to the results,we can find that world platinum’s demand always exceeded supply .Mine production is the main factor affecting the supply,Meanwhile the macroeconomic situation in each country is a main factor influencing the demand.Secondly in the article we summarize the trends of price of the world platinum and discuss the factors affecting price.Finally,according to these historical data and the development of macroeconomic,we forecasts platinum supply and demand in the future.We conclude that the demand for platinum will further increase and the situation of in short supply will lead to a new round of rising price.%自然元素铂是地壳中最稀有的元素之一，以其良好的物理性质和稳定的化学性质而在汽车工业等领域应用。铂金产地较为集中，供需格局分离，价格受市场炒作及各国政策等因素制约。本文首先分析了近十年世界铂金的供需量的变化，并总结了每一次显著变化的原因，通过分析发现：近十年铂金一直是供不应求、影响供给量的主要因素是矿山的开采量、影响需求量的主要因素是各个国家的宏观经济状况；其次总结了世界铂金的价格变化趋势，并讨论了影响价格的因素；最后通过分析历史数据，依据宏观经济的发展状况，预测了未来铂金的供需趋势；最终得出结论，未来一段时间内铂金需求会进一步增加，仍会供不应求，与此同时需求的增长会带动新一轮价格的上涨。
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