The invention discloses a high-precision wireless displacement test monitoring device. The high-precision wireless displacement test monitoring device comprises a shell, a control board which is mounted inside the shell in a matched manner, as well as a system power supplying module, a data processor, a displacement test module, a temperature compensation module, a data transmitting-receiving module, a system alarm module and operation keys which are mounted on the control board in a matched manner, wherein the system power supplying module, the displacement test module, the temperature compensation module, the data transmitting-receiving module, the system alarm module and the operation keys are respectively connected with the data processor. With the high-precision wireless displacement test monitoring device of the invention adopted, defects of large amount of manual labor, low work efficiency and low reliability in the prior art can be eliminated. The high-precision wireless displacement test monitoring device is advantageous in small amount of manual labor, high work efficiency and high reliability.