Building　lifecycle　data　contains　valuable　information　about　the　processes　of　project　initiation,　design,　construction,　operation,　and　maintenance,　which　are　important　data　assets.　At　present,　there　is　no　unified　digital　delivery　standard　in　the　construction　industry,　and　there　are　issues　of　insufficient　integrity　and　low　utilization　of　construction　delivery　data.　In　order　to　better　deliver　and　utilize　building　information,　the　difficult　issues　in　current　digital　delivery　were　comprehensively　analyzed,　the　data　characteristics　and　delivery　objects　generated　in　each　stage　of　construction　project　were　summarized,　the　data　elements　that　need　to　be　delivered　were　defined,　and　a　digital　delivery　model　for　construction　engineering　was　proposed.　This　model　was　driven　by　the　digital　twin　framework.　In　the　process　of　building　the　data　model,　the　spatiotemporal　evolution　laws　and　the　virtual　real　interaction　mechanism　were　introduced,　and　the　integration　of　multi-dimensional　and　multi-scale　building　data　was　studied.　Based　on　actual　engineering　cases　and　platform　as　carriers,　the　operational　process　of　the　delivery　model　and　its　functional　application　in　engineering　were　studied.　The　research　results　indicate　that　the　digital　delivery　model　can　effectively　complete　the　process　of　building　data　collection,　transmission,　and　final　utilization.　The　model　simplifies　the　delivery　steps　of　relevant　parties,　and　ensures　integrity,　timeliness,　and　authenticity　of　the　delivered　data.　The　delivered　data　can　be　shared　and　utilized　by　participants　through　the　platform　to　improve　data　utilization.　©　2024　Science　Press.　All　rights　reserved.