The invention discloses an environment-friendly kitchen sink. The environment-friendly kitchen sink includes a No.1 basin and a No.2 basin, the No.1 basin is located on the left of the No.2 basin, a No.1 faucet is disposed above the No.1 basin, a No.2 faucet is disposed above the No.2 basin, a tap water pipeline is disposed above the No.1 basin and No.2 basin, the lower surface of the tap water pipeline is equipped with a No.1 branch pipe and a No.2 branch pipe respectively communicated with the No.1 faucet and No.2 faucet, the No.1 basin is internally equipped with a vegetable washing mesh basket, the upper surface of the vegetable washing mesh basket is equipped with a limit ring in overlap joint with the upper surface of the No.1 basin, the left side surface and right side surface in the No.1 basin are respectively equipped with a No.1 limit bar and a No.2 limit bar, and the height of the No.1 limit bar is higher than that of the No.2 limit bar. The environment-friendly kitchen sinkprovided by the invention is a water resource environment-friendly kitchen sink, can recycle vegetable washing water for dish washing, and greatly improves the utilization rate of water resources.