Water conservancy irrigation canal

The utility model discloses a water conservancy irrigation canal which comprises a canal groove body, a mounting groove is formed in the inner wall of the canal groove body, a filter frame is embedded in the mounting groove, a filter plate is arranged in the filter frame, a sliding groove is formed in the top of the filter frame, and a cleaning and scraping assembly in scraping contact with the filter plate is movably arranged in the sliding groove. Clamping grooves are formed in the positions, located on the two sides of the mounting groove, of the canal groove body, and anti-falling assemblies are embedded in the clamping grooves. According to the anti-falling irrigation canal, a protection structure can be formed above the canal groove body through the anti-falling assembly, objects such as leaves and weeds are prevented from falling into the canal groove body to pollute a water body in the canal, personnel or animals can be prevented from accidentally falling into the canal, and the anti-falling irrigatio