The paper introduces a method for jacking up steel-box used in paired-tower and double-cable selfanchored suspension bridge-Sanchaji Xiangjiang River Bridge which locates in Changsha, Hunan province and whose main span is 328 meters. The method consists of detailed jacking up construction method, confirmation of inner-installed four temporary pier jack-up value, and jack-up safety simulation analysis. The author proposes coordinating the four temporary ...