As　the　core　means　of　transportation　of　modern　large　cities,　the　subway　provides　a　good　guarantee　for　the　overall　development　and　operation　of　large　cities.　But　in　the　process　of　subway　development,　the　passenger’s　thermal　comfort　has　been　neglected.　There　are　few　studies　on　subway　thermal　comfort　at　present.　In　this　paper,　the　thermal　comfort　of　passengers　was　investigated　while　the　thermal　environment　was　tested.　The　results　showed　that　the　temperature　of　the　carriage　reached　the　lowest　in　the　summer,　carriage　compartment　temperature　10 °C　lower　than　outdoor　temperature,　the　average　temperature　of　import,　station　hall,　the　platform,　and　carriage　is　respectively:　27.9 °C,　27.2 °C,　26.6 °C,　and　25.6 °C,　respectively.　The　thermal　sensation　of　passengers　generally　changes　in　a　V　shape,　that　is,　the　thermal　sensation　becomes　lower　during　the　arrival　process　and　higher　during　the　departure　process,　which　is　similar　to　the　temperature　change　trend.　©　2020,　Springer　Nature　Singapore　Pte　Ltd.