Suction disc type building block corrector

The invention provides a suction disc type building block corrector, which comprises a machine frame [1], wherein an infrared building block corrector [2] is arranged on the machine frame; a frame body [3] is arranged at the bottom of the machine frame; and a plurality of suction discs [4] are arranged on the frame body. In the use process, the machine frame is fixed on a built wall body through the suction discs; the building block correction is performed through the infrared building block corrector [2]; the frame body [3] can extend and twist, and can adapt to the building block correction base determination in different positions; the infrared building block corrector [2] has multi-color light ray reminding modes; the suction disc type building block corrector is provided with a reminding module [5]; and various modes of operation reminding can be provided when being required. The building block corrector adopts a rechargeable direct current power supply; the machine frame can be fixed onto the built wall