The utility model belongs to electrician's operation equipment field specifically discloses an earth connection warning device. Earth connection warning device includes earth connection string stick and induction system. The earth connection is hung excellent being equipped with and is used for the wire dop on the wire with earth connection warning device monolithic stationary, induction system is the electric induction system that has that 10KV, inductive distance are 0.7m, induction system is located the earth connection and hangs the stick top. The utility model discloses simple structure, the warning effect is obvious, and the processing preparation is very convenient, has effectively avoidd the electrified risk that articulates the line.