To eliminate the fear of an escaping person and to improve the safety of sliding down by attaching a guardrail to the emergency escape device of a single air chamber type without adding different parts.

To a sliding main body 1 provided with left and right main air chambers 1a and 1b, an entrance side horizontal direction main air chamber 1c and an exit side horizontal direction main air chamber 1d, sliding cloth 2 is stuck so as to be present on the lower side of the main air chamber on an inlet side and to be present on an upper side inversely on an outlet side. The main air chambers 1a and 1b are turned to the guardrails at the inlet where passengers easily feel the fear and the main air chamber 1d is prevented from becoming the obstruction of escape at the outlet.