Do it have a part to plug the sink up

If you mean the drain assembly, this sink faucet doesn\'t have a hole to suit lever-operated drain, but suits pop up drains. The drain assembly is not included. There are pop up drains on our website, which can be open or closed simply by pressing the top of the drain mechanism up or down. Please check the Faucet Accessories category to order. According to your sink with or without overflow, please choose the drain with or without overflow.