To develop the in-line X-ray phase-contrast computerized tomography (CT) method based on synchrotron radiation in Beijing Synchrotron Radiation Facility (BSRF). The comparison studies of in-line phase-contrast imaging with absorption-contrast imaging as well as the technique of in-line phase-contrast computerized tomography were carried out using the 14 keV monochromatic X-ray from BSRF as the light source and the X-ray film with high-resolution power as the detector. The algorithm proposed by Bronnikov was employed for the phase-contrast CT reconstruction. Compared with conventional absorbing-contrast images, phase-contrast images have better contrast and higher spatial resolution. Phase-contrast CT reconstruction images of the experimental samples were acquired and some feature details of the objects could be seen in the reconstruction images. The above experimental results indicate that phase-contrast X-ray imaging method is more applicable to the studies of the materials with weakly absorbing and small absorption difference, and it is feasible to carry out in-line X-ray phase-contrast CT using X-ray source of BSRF.