Rainwater collecting, treating and utilizing device

The utility model discloses a rainwater collecting, treating and utilizing device, relates to the technical field of rainwater collecting, treating and utilizing devices, and aims to solve the problems that a filter screen is easily blocked and the existing rainwater collecting, treating and utilizing device is inconvenient to use. A connecting water pipe is mounted below the rainwater collectingopening; the rainwater collecting port is hermetically connected with the connecting water pipe; a rainwater sewage intercepting tank is mounted on one side of the connecting water pipe; a waste outlet is formed in the lower part of the rainwater sewage intercepting box; a rainwater purifying box is mounted on the other side of the rainwater sewage intercepting box; a drainage plate is installed below the rainwater purification box, a booster pump is installed on one side of the upper portion of the rainwater purification box, a connecting pipe is installed on one side of the booster pump, ananti-corrosion water stora