Brother at school is that every home will have homework, but also involve daily homework with laser engraving print learning materials, in order to study more convenient mother also hope to be able to more time coaching his homework, so he decided to give home to install a laser engraving, so learning will be more easy, also some coaching his homework more time, also can effectively improve the work efficiency for a long time. For the sake of my brother’s study, my mother also prepared the changing equipment, and my brother’s academic performance did not disappoint my mother. My academic performance was also improving, and I became calm and steady in my study.