颞下颌关节强直可由创伤、感染、退行性变及间隙缺损导致。其中以局部感染多见,而全身感染则罕见。本文报道1例因全身远处感染导致双侧颞下颌关节强直的患者,该35岁女性患者因开口困难近20年就诊,并于20年前出现包括颞下颌关节区的全身多处脓肿,CT显示髁突与颞骨融合。采用双侧颞下颌关节截除术及人工关节置换术治疗,术后3个月开口度达2.5 cm,患者获得了满意的进食及语言功能。 Temporomandibular joint stiffness can be caused by trauma, infection, degenerative changes, and gap defects. Among them, local infection is more common, while systemic infection is rare. This article reports a case of distal temporomandibular joint ankylosis due to systemic remote infection in patients, the 35-year-old female patients due to difficult to open the mouth for nearly 20 years of treatment, and 20 years ago, including the temporomandibular joint area of ​​multiple abscesses, CT Condyle and temporal bone fusion. Bilateral temporomandibular joint surgery and artificial joint replacement surgery were performed. The opening degree reached 2.5 cm at 3 months after operation. The patients achieved satisfactory eating and speech function.