The bird strike is one of the most important reasons that threaten aviation safety and cause aviation accidents. The National Civil Aviation Administration stipulates that bird ecological surveys and bird strike risk assessments must be carried out for new airports. Bird strike risk in three-dimensional (3D) realworld is an abstract concept. The visualizing bird strike risk can make the airport bird strike prevention work more targeted. This study proposed a 3D visualization method of bird strike risk based on game engine. Taking Xiamen Xiang'an International Airport as an example, we developed a bird strike risk visualization system to realize this method. Firstly, Digital Elevation Model (DEM) data and remote sensing images around the airport were used to construct 3D terrain model. Next, the airport clearance map was used with 3DMAX to build 3D model. Then, the bird strike risk was assessed according to landuse, birdwatching data, and other groundtruth with geographical information system software as a tool. These 3D scalar field of bird strike risk and bird flight path were simulated on Unity3D, a serious game platform. Finally, functions such as fusing all the above elements together, displaying the risk scenarios dynamicly through camera roaming and aircraft flight simulation were developed. These functions can better show the spatial distribution and level of bird strike risk around the airport, and thus can carry out more targeted bird strike prevention strategies and provide decision support for the managers.