103Pb has very good nuclide properties, such as half life of 16.9 d and X-ray energy of 21-23 keV, it is an ideal radioisotope for the use of cancer local treatment (brachytherapy). 103Pd is produced by using 103Pb has very good nuclide properties, such as half life of 16.9 d and X-ray energy of 21-23 keV, it is an ideal radioisotope for the use of cancer local treatment (brachytherapy). 103Pd is produced by using