Automatic replacement system and automatic replacement method

The invention provides an automatic replacement system and an automatic replacement method. The automatic replacement system is used for replacing a cleaning unit. The automatic replacement system comprises cleaning equipment, a base station and a control unit, and the cleaning equipment is provided with a driving device used for moving the cleaning equipment and a mounting position used for mounting a cleaning unit; the base station comprises a parking position for parking the cleaning equipment and an integration unit for storing the cleaning unit; and the control unit is in communication connection with the cleaning equipment and the base station, controls the cleaning equipment to automatically disassemble and automatically replace the cleaning unit, and controls the integrated unit in the base station to automatically recover and automatically disassemble the cleaning unit. Compared with the prior art, automatic replacement of the cleaning unit is achieved, the structure is compact, the working efficienc