Small-size LED lamp bead

The utility model discloses a small-size LED lamp bead which comprises a lamp bead support, a plastic body, a light-emitting chip set and a resin protection body. A public lamp pin, a first branch lamp pin, a second branch lamp pin and a third branch lamp pin respectively grow on the back surfaces of the public electrode, the first branch electrode, the second branch electrode and the third branch electrode of the lamp bead bracket; the plastic body is combined with the lamp bead support, a red light LED chip, a green light LED chip and a blue light LED chip of the light-emitting chip set are fixed to the front face of the common electrode, and the red light LED chip, the green light LED chip and the blue light LED chip are communicated with the common electrode, the first branch electrode, the second branch electrode and the third branch electrode of the lamp bead support. And the resin protection body is combined with the plastic body and the lamp bead bracket. The small-size LED lamp bead has the advantage