LED infrared induction plant lamp

The invention provides an LED infrared induction plant lamp. The LED infrared induction plant lamp comprises an annular cover, a light guide plate, a wiring groove, an aluminum substrate, a lamp bead,a radiator base and a pyroelectric infrared sensor; the radiator base is provided with the aluminum substrate; the lamp bead is arranged on the aluminum substrate; an inner groove is formed in the lower end face of the light guide plate; the inner groove covers the aluminum substrate and the lamp bead and is connected with the radiator base; a groove is formed in the outer side of the light guideplate; the wiring groove is arranged in the groove in the outer side of the light guide plate; the annular cover is arranged at the upper end of the light guide plate; the cross section of the annular cover is in an n shape; the annular cover covers the upper end of the light guide plate; and the pyroelectric infrared sensor is arranged between the annular cover and the light guide plate and is connected with the aluminum