The utility model discloses a measuring point protection device for non-contact measurement, comprising a box body, a box cover and a reflective film; wherein one side of the box body and one side of the box cover are connected by a hinge; the other side corresponding to the connected side is provided with a powerful magnet; the bottom of the box body is provided with a thread installing hole; the thread installing hole and a pre-buried screw rod are tightly connected and fixed; a hook is disposed on the box cover; a measuring pull rod with a hook at the end part is disposed corresponding to the hook; the reflective film is attached to the middle part of the surface of the box body; the utility model can be applied to different harsh environments, which can effectively avoid the damage to the measuring point caused by dusts and slurry in construction site.