An omnidirectional light emission LED lamp, comprising an electrical connector, a connecting piece, at least two translucent cover and LED light-emitting elements fixed on the translucent covers. The plurality of translucent covers interconnects and encloses into an overall lampshade shape, and a channel is enclosed between the translucent covers. Openings at the two ends of the channel are in communication with the outside, the connecting piece is fixed on the translucent covers at least one end of the channel, a cavity is formed within the connecting piece, the cavity is in communication with the channel, and ventilation holes in communication with the outside are provided on the connecting piece. The LED lamp implements 360 degree omnidirectional illumination, and has high light-emitting efficiency, good heat dissipation performance and a long service life. In addition, lampshades having various lengths and shapes may be assembled according to requirements, processing is facilitated, and the range of applications is wide.