Ditch for water conservancy project

The invention relates to the field of water conservancy ditches, and particularly discloses a ditch for a water conservancy project, which comprises a ditch body, the ditch body comprises a bottom plate and side plates mounted on two sides of the bottom plate, the ditch is characterized in that the inside of each side plate is provided with a cavity, and the top of each side plate is provided with a plurality of water inlets for rainwater to enter; a protective plate is elastically arranged at the position, close to the water inlet, of the side plate, and the side plate is provided with a transmission device used for driving the protective plate to move; a plurality of water outlets are formed in the positions, close to the bottom plate, of the side plates, and the side plates are provided with control devices used for controlling the water outlets to be opened or closed. The rainwater recycling device has the effect of recycling rainwater and has the effects of energy conservation and environmental protectio