Improve the cleaning efficiency, avoid the residue of stains and hairs on the mop, ensure that the ground is clean without traces, reduce repeated cleaning, save housework time, and make cleaning more worry-free and labor-saving. Protect equipment parts, the worn mop is easy to harden and agglomerate. After replacement, it can reduce the burden of motor and roller brush, and prolong the service life of sweeping robot and vacuum cleaner. Adapting to different floors, replacing the mop of vacuum cleaner is soft, which can better fit different floors such as wooden floors and tiles, avoid scratching the floor and protect the home floor intact. Reduce the probability of equipment failure. Worn mop is easy to entangle hair and sundries, which may lead to equipment jamming and shutdown. After replacement, it can reduce equipment failure and reduce maintenance costs. The replaced mop of vacuum cleaner has no wear and deformation, and can closely fit the equipment chassis to avoid cleaning dead corners and make corners and gaps more clean.