A method and apparatus for cleaning stubborn stains

A method and apparatus for cleaning stubborn stains are provided. The method comprises the following steps of: 1) driving a cleaning device to clean an area to be clean by a mobile device; 2) after the cleaning is complete, performing video or picture acquisition on the cleaned area by the image acquisition device; 3) judging whether the cleaned area is stained or not according to the captured video or image the processor; if yes, proceeding to step 4); if not, proceeding to sweep the next area; 4) sweeping the clean area again by the clean device; 5) going to the step 2) and repeating the steps 2)-4); 6) if that dirt still exists after the clean device sweeps N times, marking and/or recording the dirt position on the video or image of the clean area, and storing the information in the memory by the processor, and then continuing to sweep the next area. The invention can effectively sweep the dirt in the belt cleaning area, and improve the sweeping cleanliness of the cleaning device. 本发明公开种顽固污渍清洁方法及装置，该方法包括以下