Method for renovating wall material

The invention relates to the technical field of building outer wall decoration, in particular to a renovating method of a wall material, which comprises the following steps: A) pasting a soft porcelain composite brick on a base surface of a wall; gaps are reserved between the bricks of the soft porcelain composite bricks; the soft porcelain composite brick comprises: soft porcelain; the soft porcelain adhesive mortar layer is compounded on the back surface of the soft porcelain; b) uniformly extruding the joint mixture feed liquid into gaps between the bricks of the soft porcelain composite bricks, and when the joint mixture feed liquid is slightly dry, compacting the joint mixture feed liquid by using a joint pressing ball, and polishing the surface of the joint mixture; and C) uniformly brushing or uniformly spraying a specific surface curing agent on the wall body obtained in the step B). The renovating method provided by the invention is simple in step operation, spraying of various priming paint, floatin