Waterproof outdoor lighting fixture

A waterproof outdoor lighting fixture, comprising:

• a lamp holder comprising a front lamp bulb socket for receiving a lamp bulb, and a plurality of electrode plates backwardly extended from a rear side of said front lamp bulb socket in a parallel manner;
• an outer shell molded on the periphery of said lamp holder, said outer shell comprising a body portion surrounding said lamp holder and a lampshade portion forwardly extended from one end of said body portion and shaped like a horn, and a plurality of locating holes located on an inner wall of said lampshade portion;
• a waterproof gasket tightly press-fitted into said lampshade portion of said outer shell and stopped against said lamp holder, said waterproof gasket comprising a center hole cut through opposite front and back sides thereof;
• and
• a locating member fastened to said lampshade portion of said outer shell to lock said waterproof gasket, said locating member comprising an annular base, a center opening surrounded by said annular base, and a plurality of locating rods transversely outwardly extended from said annular base and respectively engaged into said locating holes of said outer shell.