Garlic has a very good health care effect on the human body, so the deep processing of garlic has now become an industry. In the early stage of deep processing of garlic, the root emperor at the bottom of garlic should be removed. In the beginning, garlic cutting roots was done by cutting off the roots one by one with a manual blade. The labor intensity of the workers was high and the work efficiency was low. In recent years, several fresh garlic root cutting machine have been put on the market, basically realizing mechanized operation. Most of the garlic root cutters cut off the roots of garlic horizontally. Due to the different varieties of garlic, the size of garlic cloves, the size and shape of garlic roots are different, the existing flat cutters of root cutters cannot achieve reasonable and moderate root cutting of different varieties of garlic, or the cutting depth is large. Cut off some garlic cloves, resulting in a waste of resources; or the cutting depth is shallow, the garlic roots cannot be completely removed, and the next step of deep processing cannot be carried out, which affects the processing efficiency.