Multifunctional measuring tool

The invention relates to a multifunctional measuring tool, which includes a measuring rope, a balance bar and a measuring head. The measuring rope is connected with the balance bar. The front end of the balance bar is fixedly connected with the measuring head. The measuring head is provided with a water level probe and a temperature sensor. The front and rear ends of the balance bar are provided with slots, and retractable pulleys are arranged in the slots. A directional joint is arranged in the middle of the balance bar and enables the measuring tool to run upwards as a whole. The measuring rope is marked with a scale of the distance from the measuring head to the tail of the rope. The measuring tool provided by the invention can measure the depth of underground piling and monitor the height of a water level, and also can measure the temperature through the temperature sensor. The measuring tool provided by the invention will not be eccentric, will not rotate, will not make the measuring rope twist, and is c