首先，简要介绍了首尔都市圈轨道交通网络的构成，可将其分为市郊铁路、地铁及轻轨三大类。其次从与地铁贯通运营、既有线路互联互通、运营主体多元化三个方面总结了首尔都市圈市郊铁路的线网特点，此外从快慢线运营、客流指标及经济指标三个方面总结了市郊铁路的运营特征，首尔都市圈市郊铁路的经验与教训对我国市域（郊）铁路建设具有一定的启发和借鉴意义。

Firstly, the paper briefly introduces the composition of rail transit network in Seoul metropolitan area, which can be divided into suburban railway, subway and light rail. Secondly, the paper summarizes the characteristics of suburban railway network in Seoul metropolitan area from three aspects: through operation of subway, interconnection of existing lines and diversification of operating subjects. In addition, it summarizes the operating characteristics of suburban railway in Seoul metropolitan area from fast and slow line operation, passenger flow index and economic index. The experience and lessons of suburban railway in Seoul metropolitan area have certain enlightenment for the construction of suburban railway.