The invention discloses an original traceless repairing method of multiple cracking broken terrace stone of historical protective buildings, comprising the following steps: uncovering a plate, cleaning, splicing cracks, reinforcing and processing surface, removing deep-level pollution of the bottom surface, turning over, laying and pasting, cleaning and sewing, grinding and polishing overall and maintaining the plate surface. The invention has the advantages that the multiple cracking broken terrace stone is covered on the basis of leveling foundation again, and is turned over to be used after processing. The method can use the original materials maximally and reserve the original plate, not only observes the principle 'repair old as old' of the historical relic, bus also satisfies the requirements of business owners.