Studies on forecasting the occurrence of soybean moth and progress in its application were summarized in the paper. These included the forecast of emergence degree of soybean moth in short-term, mid- or long-term, the forecast of appropriate period for controlling. Effects of different ecological factors on forecast were discussed. The selection of elements in forecast models and the effect of applying these models were also presented. The current problems and prospects of soybean moth forecast were suggested at the end.