鳃弓综合征为一少见颌面先天畸形,我院收治二例,现摘要报道如下。二例中,一例为10岁男孩,主要畸形表现为:左颧弓下至下颌角凹陷、左口角至咬肌前缘有一0.5cm 裂缝、左耳屏缺如、左眼内有一约0.5×0.5×0.3cm 肿物。另一例为3个月女婴,其畸形主要是:左口角至咬肌前缘有1cm Gill arch syndrome is a rare maxillofacial deformity, admitted to our hospital in two cases, the summary is reported below. In two cases, one was a 10-year-old boy whose major deformities were as follows: the left zygomatic arch to the mandibular angle depression, the left mouth angle to the front of the masseter muscle had a 0.5cm crack, the left tragus lacked, and the left eye had a size of about 0.5x0.5 × 0.3cm tumor. Another case of 3-month-old baby girl, the main deformities are: left angle to the front of the masseter muscle 1cm