A welding point instruction device of spot welding machine

PURPOSE: A welding point indicating device for spot welding is provided to prevent quality reduction due to a wrong welding position by allowing the position of a lower electrode hidden by a product and the marked position of a weld zone to be easily recognized. CONSTITUTION: A welding point indicating device for spot welding comprises a bracket(210) with a joint hole(211) on one side and a first rotary shaft(212) on the other side, a first rotor(220) with a first joint hole(221) coupled with the first rotary shaft and a second joint hole(222) accommodating a part of a second rotary shaft(225), a second rotor(230) with a third joint hole accommodating a part of the second rotary shaft and a mounting hole(231), and a welding point indicator(240) which is installed in the mounting hole of the second rotor and indicates a welding point on a base material.