Objective This paper is to investigate clinical diagnostic value of spiral CT multi-planar reconstruction technique applied on ovarian cyst pedicle torsion. Methods Thirty patients with ovarian cyst pedicle torsion admitted by the Hospital during the period from December, 2012 to December, 2014 were defined as research objects, clinical data and signs of spiral CT examination multi-planar reconstruction were investigated with the method of retrospective analysis, and the evaluation was made on them on the basis of histopathologic diagnosis. Results Major signs of CT scanning examination in the parts of ovarian cyst pedicle torsion included irregular solid mass or rope shape, uneven density, the increase in even or uneven cyst wall. The intensification reduction or unavailability of intensification was found in enhancement scanning, and effusion conditions were feed back in the mean time. Internal capsules of 25 patients showed uniform density, 2 patients showed multiloculated symptoms, 3 patients suffered from intracystic hemorrhage, abdominal walls of 10 patients suffered from adhesions at different extents, 5 patients suffered from cyst rupture. Compared with surgical disease inspection results There were significantly statistical differences (P>0.05) in tumor diameter, thickness of capsule wall thickening and other indicators when compared to disease examination results of surgeries. The comparison in accurate diagnosis was of significant statistical difference (P<0.05). Conclusions Spiral CT delivers specific signs in the diagnosis of ovarian cyst pedicle torsion are, and multi-planar reconstruction technique is capable of recovering the deficiency of CT axial images, delivering high value of clinical use.