Forecast of plant pests is a long-term foundation work for plant protection and it is of great significance for sustainable management of plant diseases, insects and other plant pests. Traditional media have played important roles in plant pest forecasting. However, with the rapid development of science and technology, various forms of new media are very suitable for plant pest forecasting. In this study, the limitations of the traditional media were analyzed and the advantages of the new media were revealed. Present situation of the applications of the traditional media in pest forecasting was introduced. And in the forecast of plant pests, the applications of the new media such as mobile phone short message, microblogging and WeChat, were also presented. The potential applications of the new media in plant pest forecasting in the future were prospected and some problems existing in the application of the new media that should be solved were discussed.