The two-way opening and closing access door is mainly used between the equipment door of the rail transit track area and the side channel of the section with wind pressure requirements. The door must not only meet the Class A fire performance, but also meet the requirements of wind pressure airtightness, and at the same time Also equipped with effective safety monitoring facilities. The two-way opening and closing access door is composed of steel grade A fireproof and sound insulation door leaf, door frame and safety configuration, hardware, locks, etc. Each component is a mature series of matching systems, and each component has the characteristics of reasonable matching, easy installation and disassembly, and firmness. The fireproof limit of the two-way opening and closing side passage door is 1.5h.