Round-section vegetable cutting supporting device with rotary water collecting function

The invention relates to a round-section vegetable cutting supporting device with a rotary water collecting function, and discloses a chopping board which is used for throwing water stains on a chopping board into an annular water collecting groove at the edge to be collected by rotating the chopping board after vegetable cutting and discharging the water stains after vegetable preparation, frequent washing and wiping of the chopping board are not needed, and the vegetable preparation time is saved. The device is characterized in that the device is composed of a collecting assembly and a rotating assembly, the collecting assembly is composed of an annular water collecting groove, a water outlet through groove, a U-shaped inserting groove, a plugging inserting plate, a drainage groove, an annular taking plate, a water retaining inclined plate, a supporting annular plate, a fixed supporting plate, a sealing bearing and a limiting column, a containing hole is formed in the middle of the fixed supporting plate, a