The present invention provides a stamping machine, a stamping control method and a system thereof, wherein the method includes the following steps: opening the paper inlet and outlet door and moving in the stamping document to be used, and moving the stamping document to be used into a closed stamping machine , form the corresponding electronic text and / or graphic file of the document to be used, and display the picture of the document; automatically control the mobile seal, and control the seal to move to the corresponding printing position of the document to be printed according to the input printing command; complete stamping; remove the stamp After the file is removed, the sealed file is removed from the seal printing machine; the paper in and out door is closed. The printing machine and system adopting the above method realize the closed electronic control of the seal, and the whole printing process is carried out under the guarantee of safety, confidentiality and reliability, and has functions such as recording, verification and supervision.