Wall crack repairing method

The invention relates to the technical field of wall surface repairing, in particular to a wall surface crack repairing method which comprises the following steps: S1, cleaning impurities on a wall surface where cracks are generated, and chiseling off the wall surface until concrete is exposed; s2, filling the crack with a caulking gypsum composition, and cleaning excess materials until the wall surface is flat; s3, after the caulking gypsum composition is completely dried and solidified, a caulking belt is pasted and pressed, redundant glue is pressed out, and no bubble is left; s4, putty leveling is conducted outside the caulking belt, paint is brushed, and the crack repairing position is naturally connected with the surrounding wall face; and S5, repair acceptance inspection is conducted, specifically, the repaired wall surface is inspected, and whether repair is qualified or not is determined. The method has the effect of reducing the damage of the crack to the wall body structure. 本申请涉及墙面修补技术领域，尤其是涉及一种墙面