LED signal lamp

The utility model relates to a LED signal lamp which comprises a lamp holder, a plurality of LEDs and a plurality of lamp-chimneys. The inside of the lamp holder is provided with a slot; a circuit board is connected with the lamp holder by the slot; the circuit board is provided with a plurality of equidistant long grooves; a plurality of clapboards are arranged on the circuit board through the log grooves; and a plurality of lampshade stack layers are arranged at the outer ring of the circuit board. The utility model uses lampshades of different colors to be arranged by tires on the outer ring of the circuit board which is provide with a plurality of LEDs, making the LEDs illuminate in different places through a control circuit of the circuit board when different signals are produced. Besides, the utility model uses corresponding lampshades of different colors to distinguish different electronic signals, which realizes a caution effect. The LED signal light can save cost effectively and is convenient to be a