The invention discloses a negative ion healthy LED lamp, which belongs to the field of LED lighting fixtures. The present invention comprises LED part and purifier part, and the output end of transformer I is connected with the input end of rectifier bridge group, and the output end of rectifier bridge group is connected with LED part, purifier part respectively; Purifier part comprises electrolytic capacitor II, transformer II , diode I, capacitor II, resistor V, regulator, capacitor I, fan, time-delay switch, triode and negative ion generating mechanism, etc. The negative ion generating mechanism includes diode II, resistor VI and discharge needle. A negative ion healthy LED lamp of the present invention has clever circuit structure design, relatively simple circuit structure, and low manufacturing cost; wherein: the LED part and the purifier part share a rectifier bridge group, which reduces the use of components and reduces the manufacturing cost .