The utility model discloses an automatic settlement and horizontal displacement measuring device, which comprises a laser detector, a displacement sensor, a displacement sensor and a controller, and is characterized in that the laser detector comprises a shell, a CCD detection module arranged on one side of the shell, a processor arranged in the shell and electrically connected with the CCD detection module, and a first communication module electrically connected with the processor; and the laser transmitter is in communication connection with the laser detector and comprises a laser transmitting module, a laser ranging module electrically connected with the laser transmitting module and a second communication module connected with the laser ranging module. According to the technical scheme of the utility model, the measurement precision of settlement and horizontal displacement of a building or a structure can be improved, the measurement efficiency can be improved, and the labor costcan be saved.