Detection mirror for constructional engineering detection

The utility model discloses a detection mirror for constructional engineering detection. Including a rod, a telescopic groove is formed in the rod piece; a telescopic rod is arranged in the telescopicgroove in a sleeving manner; an end cover is installed at the upper end of the rod piece, a fastening bolt is installed on the end cover, the upper end of the telescopic rod penetrates through the end cover, a support is installed on the end cover, one end of the fastening bolt is tightly attached to the telescopic rod, a first rotating shaft is installed on the support, a lantern ring is installed in the middle of the first rotating shaft, and a detection mirror is installed on the lantern ring. According to the detection mirror for constructional engineering detection, the handle drives thedetection mirror to rotate, so that the angle of the detection mirror can be adjusted according to the requirement of a detection position, the detection efficiency is effectively improved, and the situation of multiple times