本文主要依据高速公路隧道与铁路隧道的特点,将隧道类型进行了分类,并且结合其实际的地理环境采用不同的方法与手段,提升隧道内的覆盖效果与用户的通话质量。能够为今后的隧道覆盖提供一定的借鉴作用。 In this paper, the types of tunnels are classified according to the characteristics of expressway tunnels and railway tunnels. Different methods and means are used in combination with their actual geographical environment to improve the coverage effect and the quality of users’ calls in tunnels. It can provide a reference for the tunnel coverage in the future.