Mobius综合症是以双侧外直肌及面肌不全或完全麻痹为主征的先天异常疾患,非常罕见,我们近遇一例,特予报道。丛×女20岁大连人学生1989年5月8日初诊。出生后不会吸吮,两眼内斜,眼球不能转动。足月顺产第三胎,家族史无特殊。父母健在,非近亲婚配。有兄妹4人,无同样疾病。发育良好,营养良,体形略矮胖。神智清,无智力障碍。唇音不清。头部位置略向左后倾斜,面部肌肉无萎缩,但右面颊部较丰满。右鼻唇沟消失,左鼻唇沟略浅,左口角比右口角略高。无额 Mobius syndrome is a congenital anomalous disorder mainly characterized by bilateral external rectus and facial hypoplasia or complete paralysis. It is rare that we have a case in the near future. Cong × female 20-year-old Dalian students May 8, 1989 newly diagnosed. Will not suck after birth, both eyes oblique, the eye can not rotate. Full-term third trimester of childbirth, family history no special. Healthy parents, non-relatives and marriage. There are 4 siblings, no same disease. Well-developed, good nutrition, body slightly bulky. God clear, no mental retardation. Lips unclear. Head slightly tilted to the left position, no contraction of facial muscles, but the right cheek more plump. The right nasolabial fold disappears, the left nasolabial fold slightly shallow, left mouth slightly higher than the right mouth. No amount