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The Estée Lauder Companies (EL)is a global leader in prestige beauty. They build consumer-beloved brands that manufacture, market, and sell exemplary skin care, makeup, fragrance, and hair care products, and serve as a steward of luxury and prestige brands globally. Today Estée Lauder's skin care, makeup and fragrance products is sold in more than 150 countries worldwide. But sustaining its competitive advantage represents an everyday challenge, due to the fierce competition that characterizes the beauty and cosmetics industry worldwide. Therefore, the thesis analyzed the financial statements of Estée Lauder Companies for the past five years (2019-2023) and forecast the business performance for the next decade (2024-2033). After that, it will calculate the intrinsic value of Estée Lauder as of December 31, 2023, and compare it with the stock market price on that day. This comparative analysis is helpful for judging whether the market price of the company's stocks truly reflects its actual value. Another objective is to explore and analyze the internal and external factors influencing the company and its future strategic planning, thereby providing important information for the sensitivity analysis of stock prices. Through this analysis, the potential impact that these factors and strategies may have on the future price of stocks can be reflected, providing an important basis for investors' decision-making. 雅诗兰黛公司（EL）是全球高端美妆领域的领导者。他们打造深受消费者喜爱的品牌，生产、营销和销售卓越的护肤品、彩妆、香水和护发产品，并在全球范围内担任奢侈品和高端品牌的守护者。如今，雅诗兰黛的护肤品、彩妆和香水产品在全球 150 多个国家销售。 但要保持其竞争优势是一项日常挑战，因为全球美容和化妆品行业竞争激烈。因此，本文分析了雅诗兰黛公司过去五年（2019 - 2023 年）的财务报表，并预测了未来十年（2024 - 2033 年）的业务表现。之后，将计算截至 2023 年 12 月 31 日雅诗兰黛的内在价值，并将其与当天的股票市场价格进行比较。这种比较分析有助于判断该公司股票的市场价格是否真正反映了其实际价值。另一个目标是探索和分析影响公司及其未来战略规划的内部和外部因素，从而为股票价格的敏感性分析提供重要信息。通过这种分析，可以反映出这些因素和策略可能对股票未来价格产生的潜在影响，为投资者的决策提供重要依据。