The utility model relates to a soft-crossing single suspension wire, which consists of a single-lug connecting plate, an H-shaped connecting plate, a steel wire rope, a crimping pipe and a connectingwire clamp, the single-lug connecting plate is composed of a U-shaped structure on the upper portion and a single-lug plate on the lower portion, a bolt pin III is horizontally installed in the middleof the U-shaped structure, and a bolt pin hole I is formed in the single-lug plate. Bolt pin holes II are symmetrically formed in the H-shaped connecting plate up and down, and the single-lug plate is inserted into the upper end of the H-shaped connecting plate, penetrates through the bolt pin holes I and the bolt pin holes II through bolt pins I and then is hinged to the upper end of the H-shaped connecting plate; the upper end of the steel wire rope is inserted into the lower end of the H-shaped connecting plate through a heart-shaped ring formed by doubling and crimping a crimping pipe, penetrates through a bolt pin hole II and the heart-shaped ring through a bolt pin II and then is hinged with the H-shaped connecting plate; the lower end of the steel wire rope is wound around the wireprotection ring and then is doubled and fixed through the connecting wire clamp to form a suspension ring. According to the utility model, the defects in the prior art are overcome, and the forming safety is ensured.