Pavement　hardening　has　a　significant　impact　on　urban　ecological　environments　and　intensifies　urban　heat　island　(UHI)　effect,　and　permeable　pavement　is　considered　an　effective　solution　to　alleviate　UHI　effect.　However,　the　evaluation　of　solar　evaporative　cooling　performance　is　still　controversial　after　use.　It　is　necessary　to　study　the　influence　of　different　factors　on　the　thermal　performance　of　permeable　concrete　pavement.　The　indoor　simulation　test　results　show　that　in　the　cycle　of　simulated　heating　and　cooling,　permeable　pavement　with　large　aggregate　particle　size　has　a　greater　impact　on　the　near-surface　thermal　environment.　The　air　temperature　near　the　surface　of　dry　permeable　concrete　is　higher,　and　the　increase　of　water　content　can　exert　the　evaporative　cooling　effect　to　a　greater　extent.　Compared　with　changing　the　aggregate　particle　size　of　the　structural　layer,　the　addition　of　a　sand　layer　has　a　certain　impact.　Changing　the　surface　color　of　the　test　specimen　has　a　great　effect　on　the　reflectivity　of　the　pavement,　delaying　the　rise　of　the　surface　temperature　and　the　vertical　transfer　of　heat　radiation.　©　2025.