Building decoration floor tile laying construction method

The invention provides a building decoration floor tile laying construction method, and belongs to the technical field of building construction.The building decoration floor tile laying construction method comprises the following steps that a to-be-laid roadbed is cleaned, a mortar layer is laid on the to-be-laid roadbed, and the mortar layer is leveled; marking on the mortar layer, moving the laying device to an initial laying position, and storing floor tiles on the laying device; laying is started by adjusting the position of a laying frame on the laying device through an image, collected by a camera on the laying device, of a bottom opening of the laying frame on the laying device, laying is conducted by controlling a driving mechanism on the laying device through an electrical control unit according to sideline information and environment information collected by a laser radar on the laying device, and laying is conducted repeatedly; after laying is completed, an electric push rod on the laying device is