Based on six fully coated epoxy-sprayed steel strand tie rods used in Changjiang Branch Line I Bridge in Jingdezhen City, the types of anti-corrosion steel strand, the principle and characteristics of epoxy-sprayed steel strand, the composition of fully coated epoxy-sprayed tie rods, the performance characteristics of each component material, and the key points of construction technology and tensioning methods of the tie rods are introduced.