The invention discloses a steam ironing device assembly, which comprises a steam suspended ironing head, a suspended ironing hanger, a folding support frame, a steam generator, a steam suspended ironing pipe, an ironing board, a sleeve ironing board, a lifting device, a storage tray, an electric steam iron and an iron storage box. The electric steam iron is provided with an automatic lock switching push button; the steam generator is provided with a quick coupling, the inside of the steam generator is provided with an electromagnetic valve and a pressure switch, and the bottom of the steam generator is provided with a drain valve; and the bottom of the folding support frame is provided with a V-shaped shoe and a caster. The steam iron is provided with the automatic lock switch, the steam generator is provided with the electromagnetic valve, the pressure switch and a safety head, and a multiple safety protection device is adopted, so the personal safety of a user can be protected to the maximum, and the safety of the whole product is improved to the possibly high level; besides, the steam generator is provided with the quick coupling and the drain valve and the bottom of the folding support frame is provided with the caster, so the design of the whole product is more humanized and the use is more convenient.