House wall surface repairing device and method

The invention discloses a house wall repairing device and method, and relates to the technical field of building decoration, the house wall repairing device comprises a base, a carrying table, a material receiving assembly, a three-axis driving assembly, a finishing assembly and a control panel used for controlling the whole device, and a feeding assembly is installed on the upper surface of the base; according to the technical key points, a material receiving assembly is designed to be matched with a finishing assembly, all modules in a control panel are used for controlling, all parameters of a wall missing part are comprehensively considered, a corresponding finishing degree evaluation value can be accurately obtained, and the specific number T of times of circulating movement of the finishing assembly on the Z axis is obtained according to the number T; according to the times T, the three-axis driving assembly drives the finishing assembly to conduct position adjustment so that different types of missing