文章对机械原理课程交互式多媒体课件的研制与实践进行了介绍，提出了课件设计的新理念。在教学实践中，新课件的应用能起到助教和助学的作用，取得了预期的良好效果。

We researched and developed an interactive multimedia courseware for mechanical principles course. The new design idea was presented in the courseware. The application of new courseware can assist teachers' teaching and students' learning and achieved good results.