The invention relates to a pipeline penetration device. The pipeline penetration device at least comprises a penetration hole, a protection pipe, at least one pipeline, at least one first inflaming retarding piece, at least one second inflaming retarding piece and a fireproof sealant. The first inflaming retarding pieces, the second inflaming retarding pieces and the fireproof sealant each comprise a physical expansion system and a chemical expansion system, and the pipe occupancy can reach 70%.