Abstract: At present, the code to calculate factor of neutron kinetic energy released in material (KERMA) and radiation damage cross section based on the evaluated nuclear data in China is still a blank. Thus, in order to fill the gap, the method to calculate the neutron KERMA factors and radiation damage cross sections was established, and the corresponding calculation program KDC based on FORTRAN-90 program language was developed. In addition, to solve the unbalanced problem revealed in performing energy-balance check, a solution which uses the upper kinetic limits to replace the unreasonable KERMA factors was proposed and employed in the KDC program. Through a cross check between the KDC program and the HEATR module of widely used nuclear data processing program NJOY, the reliability of the KDC program, both in result and functionality, is confirmed.