Quantitative investment fund is a quantitative investment method using mathematics, statistics and information technology to manage investment portfolio. The portfolio construction of quantitative investment focuses on the analysis of macro data, market behavior, enterprise financial data and transaction data, and uses data mining technology, statistical technology and calculation methods to process the data in order to obtain the optimal portfolio and investment opportunities. The first quantitative fund was established in 1970s, and grew rapidly from 1990s to the beginning of 20th century. In recent years, the good performance of quantitative funds, coupled with relatively low management costs, has attracted more and more investors' attention.