LED underground lamp mounting component

The utility model discloses an LED underground lamp installation component which comprises a lamp body and an installation component body, the lamp body is detachably connected with the installation component body, the installation component body comprises an outer shell and an inner shell, an opening is formed in the top of the inner shell, and the lamp body is embedded into the installation component body through the opening. A space defined by the inner shell is an inner cavity, and a heat dissipation channel is formed in the bottom of the inner shell; the space defined by the outer shell and the inner shell is an outer cavity, heat dissipation holes are formed in the lower portion of the top of the outer shell, and the heat dissipation channel, the outer cavity and the heat dissipation holes are communicated to form a channel for heat exchange between the inner cavity and the atmosphere. According to the LED underground lamp, the channel for exchanging heat with the atmosphere is arranged, so that interna