The invention discloses a scanning-printing integrated machine used for printing a lottery ticket and claiming a prize. The integrated machine is provided with a first channel used for communicating with an outside paper inlet, a second channel used for communicating with a paper cartridge, a third channel used for communicating with a paper outlet, and a control device, wherein the paper outlet of the first channel and the paper outlet of the second channel are joined at the third channel; at least a pair of conveying rolls is arranged in the first channel; a first printing mechanism and a paper cutting mechanism are arranged in the second channel; a scanning mechanism and a second printing mechanism which is used for printing marking information on medium are sequentially arranged in the third channel; and the control device judges the availability of the medium according to medium images acquired by the scanning mechanism and controls the printing operation of the second printing mechanism according to a judged result. The scanning-printing integrated machine provided by the invention not only realizes the functions of printing the lottery ticket and claiming the prize but also realizes the function of claiming the prize and detecting the completeness of printed contents.