Fair-faced concrete wall crack repairing construction method

The invention discloses a fair-faced concrete wall crack repairing construction method. The method comprises the steps that defect parts are chiseled, the structural defect parts on a concrete structure are chiseled to form notch areas, loose surface layers are removed, concrete aggregate is exposed, subsequent filler makes direct contact with the solid part of the concrete structure, the filler is firmly combined with an old structural surface, and falling off in the using period cannot be caused; different kinds of filler are selected according to crack types, the quality after repairing is guaranteed, secondary repairing is greatly reduced, the cost is reduced, and the good practical benefits are achieved; fine filler and coarse filler are adopted to be used together, the coarse filler is used for conducting coarse repairing on the position with the large crack, the fine filler is used for conducting fine repairing on the position close to the structural surface layer, and in the process, hanging is adopte