The steel fire door does not affect the activities of others due to the opening of the door, which can cause many people with disabilities in the hospital to have accidents due to various equipment or facilities hindering their movement. It only needs 1KG to open the steel fire door, and the opening tension does not exceed 50N. Even people in wheelchairs can easily open it. The door handle can be set at a height of 700-1100mm, whether it is an adult or a child.