Mobile printing device and safe printing method for electronic signature

The invention discloses a mobile printing device and a safety printing method for an electronic signature. The mobile printing device comprises an identity collection module, a storage module, a display module, an operation input module, a wireless communication module, and an intelligent processor, wherein the identity collection module is used for collecting identity information of a user; the storage module is used for temporarily storing a preset pattern; the display module is used for displaying operation information and previewing the preset pattern; the operation input module is used for inputting an operation instruction; the wireless communication module is used for communication connection between the mobile printing device and external equipment; and the intelligent processor isconnected with the identity collection module, the display module, the operation input module, the storage module and the wireless communication module, is used for identity recognition and image processing of the preset pat