Screen top secondary small bus lapping tool

The utility model discloses a screen top secondary miniature bus lapping tool, which comprises two mutually matched and symmetrically arranged clamps, each clamp comprises a metal conductive rod, oneend of each metal conductive rod is provided with a plugging hole extending along the axial direction of the metal conductive rod, and the side wall of the other end of each metal conductive rod is provided with a first clamping groove used for fixing a miniature bus; the small bus is clamped between the first clamping grooves of the two metal conductive rods, and the groove walls of the first clamping grooves are attached to the small bus. When a wire is lapped, the small bus is clamped in the clamping groove on the metal conductive rod through the two clamps, then the two clamps are fixed together through the fastener, and each clamp is provided with one wiring groove used for connecting a test wire plug, so that the connection of two test wires can be expanded. When the lapping tool isused for lapping the small