The　halogen-free　microencapsulated　red　phosphorus　flame　retardant　with　multiple　flame　retardant　properties　was　prepared　by　using　piperazine-modified　lignin　(LP)　and　aluminum　phosphate　as　capsule　material.　And　then　the　flame　retardant　was　added　into　acrylonitrile-butadiene-styrene　(ABS)　resin　to　improve　its　flame　retardant　property.　The　morphology　and　structure　of　the　flame　retardant　were　characterized　by　TEM,　SEM,　FT-IR　and　TGA.　The　effect　of　the　flame　retardant　dosage　on　combustion　properties　of　ABS　was　investigated.　The　results　show　that　red　phosphorus　was　actually　coated　completely　by　LP　and　aluminum　phosphate.　The　ABS　composite　with　25%　flame　retardant　forms　a　compact　and　thick　char　layer　after　combustion,　and　the　flame　retardant　grade　is　UL94　V-0,　the　limiting　oxygen　index　reaches　26.1%.　Compared　to　ABS　without　flame　retardant,　the　peak　heat　release　rate　of　the　ABS　composite　is　reduced　by　63%　and　the　total　smoke　production　is　decreased　by　25.8%.　©　2019,　Editorial　Board　of　Polymer　Materials　Science　&　Engineering.　All　right　reserved.