The invention provides a porcelain repairing method. The method comprises the following steps of: 1) cleaning, namely cleaning a total porcelain utensil, particularly a notched part; 2) repairing, namely repairing a notched part according to drying shrinkage of 3 to 10 percent and the proportion of epoxy resin to kaolinite powder of 75-80 percent; 3) grinding, namely completely drying filling and repairing agents remained after demoulding, polishing until a blank is smooth and flat; 4) coloring and glazing, namely glazing according to the thickness of a glaze layer, finishing a coloring procedure and a glazing procedure for a thin-glaze porcelain utensil at one time, and independently glazing again for a thick-glaze porcelain utensil or glass texture of a glaze surface; and 5) baking, namely baking the porcelain utensil at the baking temperature of 100-150 DEG C after glaze is dried naturally. By the porcelain repairing method, notched part repairing proportion is appropriate, a notched part repairing effect is good, and a good repairing effect can be achieved by grinding and glazing.