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This paper analyzes the difficulties of steel template design. BIM information model was used for reference to set up a three-dimensional model. Structure safety, forming quality and construction convenience were fully considered. This paper takes Nanchang Chaoyang bridge as an example for the work of template design in each stage. By exploring the selection criteria of shaped structural steel template and establishing the corresponding calculation and design method, the implementation quality of the bridge tower was ensured. Research formed a template design system of template calculation and design. This system provided reference for other similar types of special structure template design.