Brush cutters, also known as lawn mowers, are a type of garden machinery used for woodland cleaning, young forest tending, secondary forest transformation and forest tending felling to cut shrubs, weeds, pruning branches, cutting trails, and cutting bamboo. The brush cutter is equipped with some replaceable additional devices or equipment, which can also be used to harvest crops such as rice and wheat.

Its characteristics are flat work, simple operation, strong cutting ability for the objects that need to be cut, mainly grasses, and suitable for high-yield pastures and large parks. The brush cutter relies on the relative shearing movement of the movable knife and the fixed knife on the cutter to cut grass. It is characterized by neat stubble cutting and low power required, but it has poor adaptability to pasture and is easy to block. It is suitable for flat and natural grasslands. And artificial grassland operations. The production and use of rotary lawn mowers began in the mid-1980s. Rely on the blade on the high-speed rotating cutter head to cut the forage. With the improvement of science and technology, the working ability of the newly improved lawn mower products has been greatly enhanced, and the speed has been greatly improved, saving the working time of the weeding workers and saving a lot of human resources.