The invention discloses a slip ring wire pressing clamp which comprises a wire pressing clamp and an end cap, wherein a through groove corresponding to a cable is arranged in the wire pressing clamp, a plurality of fixing rings are arranged outside the wire pressing clamp, and a plurality of fixing grooves corresponding to the wire pressing clamp are arranged in the end cap. The wire pressing clamp tightly cooperates with the end cap. Cables may not loosen after being clamped. The slip ring wire pressing clamp is highly reliable, does not affect the appearance, and improves work efficiency.