1. Technical objectives: to help teachers in the aero-engine college to better assist students to understand and recognize the knowledge of aero-engines and master the seal names, principles, structures, advantages and disadvantages of various parts of aero-engines in the teaching process. 2. Technical content: engine 3D model display, engine semi-sectioned 3D model display, airflow animation under engine working state, airflow animation under engine sealing working state, engine sealing introduction and text interaction. 3. Technical methods and routes: MAYA, C4D, rhinoceros and other three-dimensional software are used to make the three-dimensional model of turbojet 7 engine, the animation of engine and sealed airflow is completed in AE, and the interaction of engine teaching software and the release of software are completed in UE4 engine.