Abstract: The present invention relates to a Christmas lamp socket. The socket mainly includes a housing member and an affixing part. The affixing part has a pair of opposing erection parts to be fitted into, and secured by, a pair of corresponding elongate trenches on the inner circumference of the housing member. The housing member has two holes on a mediate portion. The holes communicate with cords held between the mediate portion and a bottom of the housing member. The affixing part is fitted with two conductors which pass through the holes of the housing to connect with wires of the cords.