The multi-point displacement meter is composed of a displacement meter group (3 to 6 pieces), a displacement transmission rod and its protective tube, a friction reducing ring, an installation support, an anchor head, etc. It is suitable for long-term burial in hydraulic structures or structures such as earth dams, embankments, slopes, tunnels, etc., to measure the displacement, settlement, strain, slip, etc. of multiple parts of the deep structure. It can also measure the temperature of the drilling location. .