Material preparation: hair clippers and related accessories, combs and cloth.

1. Wash your hair first, and then wipe it until it is half dry.

2. Then tie an apron and comb your family's hair with a comb.

3. Then shave the hair off the back of the family with a razor, as shown in the figure below.

4. Then use thinning scissors to thin the hair around the top of the head and the top of the head, as shown in the figure below.

5. Then trim the protruding part with scissors, as shown in the figure below.

6. Finally, just wipe off the broken hair with a sponge.