Track lamp corner connecting assembly and track lamp

The utility model discloses a track lamp corner connecting assembly and a track lamp, and the track lamp corner connecting assembly comprises a corner piece which comprises a first connecting section, a first corner part and a second connecting section which are connected in sequence; one conductive assembly is arranged on the first connecting section, the other conductive assembly is arranged on the second connecting section, the conductive assemblies can abut against external conductive strips, and the two conductive assemblies are electrically connected; the first connecting structure is connected with the corner piece or the conductive assembly, and the first connecting structure is used for being connected with an external rail. The conductive assembly on the first connecting section and the conductive assembly on the second connecting section correspondingly abut against the conductive strips on the two rails respectively, welding is not needed, the conductive assemblies abut against the conductive stri