ds = dicom.read_file('H:/Data/data//21662//2.16.840.1.113662.2.0.105002416.1489146183.701/CT//CT#0#21662#E7AB693D.dcm')print ds>>(0008, 0008) Image Type       CS: ['ORIGINAL', 'SECONDARY', 'AXIAL'](0008, 0016) SOP Class UID      UI: CT Image Storage(0008, 0018) SOP Instance UID     UI: 2.16.840.1.113662.2.0.105002416.1489146183.501.0(0008, 0020) Study Date       DA: '20170310'(0008, 0021) Series Date       DA: '20170310'(0008, 0023) Content Date      DA: '20060505'(0008, 0030) Study Time       TM: '1942'(0008, 0031) Series Time       TM: '1942'(0008, 0033) Content Time      TM: ''(0008, 0050) Accession Number     SH: '63071'(0008, 0060) Modality       CS: 'CT'(0008, 0070) Manufacturer      LO: 'NOMOS'(0008, 0090) Referring Physician's Name   PN: ''(0008, 1010) Station Name      SH: ''(0008, 1090) Manufacturer's Model Name   LO: 'CORVUS 6.4'(0010, 0010) Patient's Name      PN: '*M32-2^CHENJUN^^^'(0010, 0020) Patient ID       LO: '21662'(0010, 0030) Patient's Birth Date    DA: ''(0010, 0040) Patient's Sex      CS: ''(0018, 0050) Slice Thickness      DS: '4.75'(0018, 0060) KVP         DS: '0'(0018, 1020) Software Version(s)     LO: 'CORVUS 6.4'(0018, 5100) Patient Position     CS: 'HFS'(0020, 000d) Study Instance UID     UI: 2.16.840.1.113662.2.0.105002416.1489146183.701(0020, 000e) Series Instance UID     UI: 2.16.840.1.113662.2.0.105002416.1489146183.501(0020, 0010) Study ID       SH: '63071'(0020, 0011) Series Number      IS: '0'(0020, 0012) Acquisition Number     IS: '0'(0020, 0013) Instance Number      IS: '0'(0020, 0020) Patient Orientation     CS: ['L', 'P'](0020, 0032) Image Position (Patient)   DS: ['0.73437356948853', '0', '3.25'](0020, 0037) Image Orientation (Patient)   DS: ['1', '0', '0', '0', '1', '0'](0020, 0052) Frame of Reference UID    UI: 2.16.840.1.113662.2.0.105002416.1489146183.601(0020, 0060) Laterality       CS: ''(0020, 1040) Position Reference Indicator  LO: ''(0020, 1041) Slice Location      DS: '3.25'(0028, 0002) Samples per Pixel     US: 1(0028, 0004) Photometric Interpretation   CS: 'MONOCHROME2'(0028, 0010) Rows        US: 330(0028, 0011) Columns        US: 339(0028, 0030) Pixel Spacing      DS: ['0.734375', '0.734375'](0028, 0100) Bits Allocated      US: 16(0028, 0101) Bits Stored       US: 12(0028, 0102) High Bit       US: 11(0028, 0103) Pixel Representation    US: 0(0028, 1052) Rescale Intercept     DS: '-1024'(0028, 1053) Rescale Slope      DS: '1'(7fe0, 0010) Pixel Data 

Path = 'H:/Data/data//21662//2.16.840.1.113662.2.0.105002416.1489146183.701/CT//a.dcm'slices = dicom.read_file(path)spacing = slices.PixelSpacing

origin = slices.SoftwareVersionsprint origin>>CORVUS 6.4

spacing = slices[1].PixelSpacingprint spacing>>['0.734375', '0.734375']