Self-anchored suspension bridge is a bridge with cable or chain as the main load-bearing component, which is composed of suspension cable, tower, anchor, boom, bridge floor system and so on. This paper introduces the construction technology and technology of the suspension system of single tower and double span self-anchored suspension bridge based on the case of Guzhen No. 2 Bridge (Xuyaodu Transformation Bridge), which provides reference and experience for the construction of similar Bridges in the future.