For a study, researchers sought to find the morphology and setup disfigurements of craniovertebral junction (CVJ) and upper cervical spine in youngsters with 1-sided hemifacial microsomia (HFM). To decide if explicit HFM patients are at a higher gamble of specific cervical vertebral inconsistency. The assessment for cervical vertebrae oddity in HFM youngsters, particularly in the CVJ locale, was underreported. About 88 one-sided HFM youngsters (64 guys, 24 females) with 4 Pruzansky-Kaban types (I, Ila, Ilb, and III) went through cranial and cervical CT checking from skull to C5 in a nonpartisan position. The 3D morphology and design of the occipital condyle, map book, hub, and so forth were assessed on the twisted point-by-point designs of the CVJ locale. No C1 disfigurement was found in the type I bunch. About 6 (14.3%) type Ila cases, 7(33.3%) type IIb cases, and 6(37.5%) type Ill cases had sidelong masses lopsidedness of C1 (P<0.05). About 5 (55.6%) type I cases, 17 (40.5%) type Ila cases, 12 (57.1%) type Ilb cases, and 10 (62.5%) type Ill cases had C2 abnormality (P>0.05). The frequency pace of C1-C2 flimsiness for 4 gatherings were 33.3% (type I), 33.3% (type IIa), 33.3% (type IIb), and 31.3% (type Ill), separately (P>0.05). For HFM youngsters, the frequency of C1 distortion expanded from type I to type Ill. The likelihood of C2 peculiarity and C1-C2 precariousness in youngsters with various sorts of HFM is similar. The craniovertebral intersection of every HFM kid should be checked cautiously for C1-C2 flimsiness before any surgery to avoid atlantoaxial separation and spinal string injury.