Pipeline fixation device and pipeline fixation method

The invention relates to a pipeline fixation device, which comprises a first fixation piece, second fixation pieces, a fixation rod and fasteners. One end of the first fixation piece is in detachable fixation connection with the fixation rod, and the other end of the first fixation piece is provided with a first groove; one end of each second fixation piece is in detachable fixation connection with the fixation rod, and the one end of the second fixation piece is provided with a second groove; the two side walls of the second groove are respectively provided with a third groove cooperated with the fixation rod; and the other end of each second fixation piece is provided with a first through hole. The invention also relates to a method for carrying out pipeline fixation through the pipeline fixation device. The first fixation piece fixes the fixation device to a keel; a balance piece is horizontally contacted with the keel, thereby ensuring fixation stability of the fixation device; and the second fixation pie