Quantitative investment, programmed trading, algorithmic trading, automated trading and high-frequency trading are all specific ways of quantitative trading, and their description focuses are different. Quantitative trading applies IT technology and financial engineering model to help investors specify investment strategies and reduce execution costs, arbitrage and risk hedging. Data, speed and risk management are the key issues in building a quantitative trading system. The quantitative automatic trading model of futures market is gradually being compiled by investors for their own use, and has evolved into a professional team composed of investment consultants with a certain scale. Programmatic trading, also known as systematic trading or algorithmic trading, refers to that designers use computer software to write the technical indicators commonly used in the market into the system, combine historical market data, analyze and combine various indicators, establish mathematical models, and systematize trading strategies. When the trading strategy conditions are met, the programmed system automatically sends out long and short signals to effectively grasp the price change trend, so that investors can seize the trading strategy regardless of whether the market goes up or down, and then earn band profits. The operation mode of programmed trading does not seek to earn exaggerated profits, but only long-term stable profits, grow in the market and achieve the compound interest effect of wealth accumulation. After a long period of operation, the annual interest rate can be kept above a certain level. Procedural trading is also a kind of personalized trading. Every investor (or institution) can write his own trading model according to his own investment experience and wisdom, and conduct computer automatic trading. Trading model is a concise and practical trading idea. The correct trading concept will get a good and stable investment income under strict operational discipline, and it is through the trading model that the correct trading concept and strict operational discipline are well combined to help people get a good and stable investment income. Programmatic trading can not only improve the speed of placing orders in actual investment, but also help investors avoid being affected by emotional fluctuations, eliminate human fear, greed, hesitation and gambling during trading, and realize rational investment. A well-designed programmed system can ensure the smooth implementation of three basic principles of successful trading: conforming to market trends, controlling loss trading and fully profitable trading. In a word, excellent model strategy design, effective capital risk control, stable and reliable market trading software, timely and smooth data and fast order placing speed constitute an excellent programmed trading system, which is a concrete way to realize quantitative investment.