High-precision earth surface temperature measuring device and measuring method thereof

The invention relates to the technical field of temperature measuring devices, in particular to a high-precision earth surface temperature measuring device and a measuring method thereof. The temperature measuring device comprises a fixing mechanism and a temperature measuring mechanism; the fixing mechanism comprises a plastic pipe, the plastic pipe is sleeved by at least one temperature measuring mechanism, each temperature measuring mechanism comprises a metal pipe and an optical fiber, the plastic pipe is fixedly sleeved by the metal pipe, the optical fiber is wound around the metal pipe, and grid points on the optical fiber are bonded to the metal pipe through glue. The high-precision shallow surface temperature measuring device provided by the invention is simple in structure, low in cost, easy to install and suitable for popularization and application; the device has the outstanding advantages of high sensitivity, high reliability, electromagnetic interference resistance, good safety, quasi-distributed