研究了奥运会男子现代五项前三名成绩的预测模型.将灰色GM(1,1)模型和马尔可夫模型结合,构建了灰色马尔可夫预测模型.对奥运会男子现代五项前三名成绩趋势进行了预测,给出了第30届奥运会男子现代五项前三名成绩的预测结果,并大大提高了预测精度. This paper studies the prediction models of the top three achievements of the modern pentathletes in the Olympic Games.With the gray GM (1,1) model and the Markov model, a gray Markov forecasting model is constructed.For the top three scores of the modern five men in the Olympic Games The trend was predicted, given the 30th Olympic Games the top five men’s modern five results of the forecast, and greatly improve the accuracy of prediction.