The utility model discloses a suspension-type self-service printing device. The suspension-type self-service printing device is characterized in that the suspension-type self-service printing device comprises a signal acquisition and confirmation device and a printing device; the signal acquisition and confirmation device comprises a barcode and two-dimension code reader or an identity card reader and a signal processor connected therewith; the suspension-type self-service printing device further comprises a wireless communication module and a printer which is driven by a barcode and two-dimension code or identity card information processor and connected with a boarding certificate or a baggage tag paper roll. The suspension-type self-service printing device has following beneficial effects: when the suspension-type self-service printing device is applied to printing the boarding certificate in an airport, the boarding certificate is printed or a passenger identity card is read after reading check-in two-dimension code of a mobile phone in order to considerably shorten time spent on reading and printing; a passenger does not need any information selection so that check-in efficiency is improved in convenient and rapid mode; and the suspension-type self-service printing device is applicable to printing tickets or admission tickets by application of handset two-dimensional codes in the fields of traffic industry, theaters and hospitals and also to printing registration certificates. Therefore, the suspension-type self-service printing device is applied to occasions in need of rapidly and efficiently printing boards, cards, certificates and receipts in a self-service mode.