To provide a decoration lamp support member having a structure capable of easily inserting lead wires to a guide hole so as not to make contact to each other and surely bringing them into contact with positions of terminal plates so as not to form a defective product in working.

When a pair of lead wires 2 protruded to the tail part of a decoration lamp 1 are inserted toward lead wire holes 11 provided in the bottom of the support hole 8 of a support member 7, the tips are partitioned by a partitioning 10 provided in the center of the bottom of the support hole so that they can be inserted to a pair of lead wire holes provided on both sides of the partitioning 10. Funnel-like guide holes 9 for guiding the lead wires are provided on the bottom part of the support hole, the lead holes are provided in parallel to each other on both sides of the partitioning 10 provided in the center, and the ends of the lead wires are laid along notch parts 13 provided on the lead wire leading parts on the bottom of the support part, whereby mounting of a lamp is completed.