Wuhan Yangluo Yangtze River Bridge main bridge is a main span 1280m suspension bridge, the north anchorages using sloping large excavation deep buried expanding the foundation of the solid belly anchor weight force type anchor; South anchorages using support excavation deep buried circular expanding the foundation frame anchor weight force type anchor, the pit project using the outer diameter of 73m, wall thickness of 1.5m, depth of 61.5m, the maximum excavation depth of 45m circular diaphragm wall plus liner of the support structure type; in the The first time in China to use "non-bonded replaceable" prestressing anchorage system. This paper summarizes the overall structure of the anchor, pit (foundation) engineering, structural design and technical characteristics of the anchor body and anchorage system.