This paper studies Markowitz Portfolio Selection Theory and Sharpe Capital Asset Pricing Model from each aspect , especially explains Capital Asset Pricing Model and its recent development in finance field.

• 本文对马柯威茨证券投资组合理论和夏普资本资产定价模型作了全面的研究,着重探讨了资本资产定价模型及其在财务领域的发展。