The utility model relates to spiral slideway type emergency escape facility for a bridge of a high-speed railway passenger transportation special railway line, which can help travelers to quickly escape to a safe place under the emergent condition, and comprises an emergency platform (20) which is arranged at the side of a pillar body (11) and is fixedly connected with the side of a beam body (10), and a spiral slideway structure which is fixedly arranged on the pillar body (11), wherein the upper end of the spiral slideway structure is connected with the emergency platform (20) through guiding steps (30), and is spirally landed on the ground. The facility has the beneficial effects that under the emergent condition, the travelers can quickly escape to the safe place under the help of the facility, the escaping function is stable, the escaping efficiency and the safety factor are higher, the construction difficulty is small, the construction quality is easy to ensure, and the application range is wide. The spiral slideway type emergency escape facility can be conveniently built, and can be applied in a long and large bridge of the high-speed railway passenger transportation special railway line.