A 2U door for intelligent parking equipment comprises an upper door frame, a left door frame, a right door frame, a lower limiting switch frame, an upper door plate set, a middle door plate set, a lower door plate set, a hanger, high-speed door tracks, steel cable wheel brackets, low-speed door plate steel cable wheels, an upper limiting bracket, hanger steel cable wheel sets, hanging rod bolt sets, a driving groove wheel set, a steel wire rope, a motor seat, a counterweight box and a counterweight guiding cabinet. All the parts are combined closely to play a role, so that in the operating process, stability is achieved, resistance is consistent, abrasion is reduced, the vehicle parking and picking-up efficiency is improved, the needs of twenty-five layers of parking equipment on the ground are met, and the problem that parking is difficult in large cities is solved.