Drainage pipeline system with grading quantitative feedback alarm function

The invention discloses a drainage pipeline system with a graded quantitative feedback alarm function, which comprises a water containing tray in which a drainage pipeline is placed; the water storage tank is mounted below one end of the water containing tray, and the water storage tank is communicated with the water containing tray; the linear type water immersion sensor is arranged in the water containing tray, and the linear type water immersion sensor is connected with a primary alarm; the water falling container is installed in the water storage tank, a water outlet pipe is arranged below the water storage tank, a water flow indicator is arranged on the water outlet pipe, and the water flow indicator is connected with a secondary alarm. A linear water sensor is arranged to carry out primary alarm to isolate the condition of dripping leakage, problems can be found in time, maintenance is convenient, and influence expansion is prevented; and a water flow indicator is arranged to carry out secondary alarm,