A mounting structure for lamp wires of a back light module to mount at least two lamp wires extending from a plastic frame. The mounting structure includes a fixed bar portion and a tabling portion connected together by a connecting portion to form a lamp channel therebetween. The connecting portion has a wire-fixing hole to fix one of the lamp wires. The lamp wires are induced into the lamp wire channel. A retaining clamp portion is extended from the tabling portion and overhung the plastic frame. The retaining clamp portion and the tabling portion have a wire clip hole perpendicularly connected to the lamp channel and a clamp opening connected to the wire clip hole to fix the lamp wires in the wire clip hole.