Icy　pavement　is　one　of　the　primary　causes　affecting　driving　safety　in　winter,　and　deicing　asphalt　mixture　could　effectively　resist　pavement　icing.　This　study　evaluated　the　effect　of　a　slow-release　deicing　agent　on　pavement　performance　and　ice-melting　characteristics　of　the　asphalt　mixture.　The　asphalt　mixture　containing　four　different　contents　(0%,　30%,　50%,　and　70%　using　the　internal　mixing　method)　by　replacing　mineral　filler　was　designed.　Pavement　performance　tests　were　used　to　investigate　the　effect　of　the　deicing　agent　on　the　high-temperature　stability,　cracking　resistance,　and　water　stability　of　the　asphalt　mixture.　Qualitative　and　quantitative　tests　were　designed　to　compare　the　ice-melting　characteristics　and　predict　the　ice-melting　durability　with　different　replacement　amounts.　The　experimental　results　show　that　the　high-temperature　stability,　low-temperature　cracking　resistance,　and　water　stability　of　the　asphalt　mixture　decrease　with　the　increase　inthe　deicing　agent.　The　mineral　filler　with　a　content　of　50%　deicing　agent　will　enhance　the　stability　of　the　mixture　in　the　short　term.　Deicing　asphalt　mixture　can　significantly　improve　the　ice　and　snow　melting　ability　of　the　pavement,　and　the　asphalt　mixture　with　a　content　of　50%　deicing　agent　will　reduce　the　interface　adhesion　between　mixture　and　ice　by　more　than　55%.　The　slow-release　deicing　asphalt　mixture　can　reach　the　maximum　release　concentration　within　two　hours　under　rain　and　snow.　The　recommended　replacement　amount　of　slow-release　deicing　agent　is　50%,　and　the　predicted　durability　of　deicing　asphalt　mixture　is　5–8　years.　©　2023　by　the　authors.