The invention provides a super-large buried depth underground pipeline detection device comprising a signal transmitter, a detection rod and a signal receiver; the signal transmitter is used for transmitting electromagnetic signals to a pipeline so as to generate a magnetic induction signal around the pipeline; the detection rod is placed in an exploration hole near the pipeline to collect the magnetic induction signal and transmit the collected magnetic induction signal to the signal receiver through a wire; and the signal receiver is used for determining the position of the pipeline througha program processing signal according to the magnetic induction signal collected by the detection rod. According to the super-large buried depth underground pipeline detection device in the invention,the detection rod and the signal receiver are detachably connected and cooperate with the signal transmitter to detect the underground pipeline, thereby facilitating detection of the super-large buried depth underground pipeline; meanwhile, the detection precision can be ensured, the engineering implementation is facilitated, and the function of forecasting the horizontal position and the depth of the to-be-detected pipeline is achieved.