By transforming and analyzing history data of stock market, examine the probability of payoff or loss. Based on that, a new analysis method of securities investment is established, namely Equal-String Form Combination predicted method. 通过对股市历史数据的变换和分析,考查各形态组合序列对应的盈利和亏损概率,建立新的证券投资分析方法即均线形态组合预测法。