This plow to be connected and mounted joining with the tractor, while working the disc of the plow rotary motion and then plough the soil. It has the following advantages better than ploughshare: does not entangle the grass, does not block, does not obstruct the earth, Can shut off the crop’s stem and root stubble, does not feat the bricks and stones fragment in the soil, and the working resistance is small. Therefore, these types are suitable working for overgrown with weeds and steams, the soil resistance is big and has bricks and stones fragment, and the condition complex farmland, The working efficiency is high, the quality is good, adjusts conveniently, and the plough is reliable and durable and so on.