The present disclosure discloses a heat dissipating structure for automotive LED headlight, which comprises a radiator formed integrally, wherein the radiator comprises one or more heat radiating arms. The heat radiating arm is provided with an embedded groove used for accommodating an assembly of a lamp bead board and a heat pipe. The beneficial effect of the present disclosure is that: the heat of the lamp bead board is transferred to the radiator, thus the heat dissipation efficiency has been greatly improved.