Hair clipper is a tool for trimming and modifying hair. In modern families, hair clipper is already synonymous with fashion. Usually, in the public's perception, hair clipper needs to go to the barber shop. In foreign countries, consumers not only go to the barber shop to get a haircut, but also buy a family hair clipper to cut hair for their families. With the gradual improvement of domestic consumption level, more and more people will cut their children and family's hair at home,