Conclusion It is an effective way to cure metacarpophalangeal fracture with minor external fixation which the features o结论微型外固定支架器具小，重量轻，操作简单，稳定性好，适用范围广，尤其是粉碎性骨折或伴有骨缺损者，为一种有效的外固定治疗方法。