Based on the application of OVMXGK15-55(also known as OVMXGK15-55 hole adjustable and exchangeable steel wire tie rod anchor) in tie rod arch bridge, the function and performance characteristics of adjustable and exchangeable steel wire tie rod anchor in tie rod arch are explained, and its structural characteristics, application methods and precautions in construction are introduced. Two 900 tons of jacks are used, and the most advanced tensioning method - suspension method is selected to carry out tensioning, which fills the vacancy of large steel strand anchor in China and provides a solid technical guarantee for the service life of the bridge.