The utility model provides a pipeline fixing device which is fixed to a wall or a fixing support. The pipeline fixing device comprises a pipeline check block, at least one arc pipeline support and at least one damping spring, wherein an arc pipeline containing groove is formed in the pipeline check block, a spring containing groove is formed in the bottom of the arc pipeline containing groove, and the arc pipeline containing groove is attached to the surface of a pipeline; each damping spring is embedded into the spring containing groove, one end of each damping spring is in contact with the bottom of the spring containing groove, and the other end of each damping spring is in contact with the surface of the pipeline; the two ends of each arc pipeline support are fixed to the pipeline check block and symmetrically distributed on the two sides of the arc pipeline containing groove, and each arc pipeline support is attached to the pipeline. The pipeline fixing device has the advantages of being easy to mount, wide in application range, remarkable in damping effect, low in noise, long in service life and the like.