多巴反应性肌张力障碍 (ＤＲＤ)系遗传性锥体外系疾病 ,临床罕见且易误诊。我们收治 2例 ,现报告如下。例 1,男 ,6岁。运动迟缓伴行走困难 5年。患儿自 1岁开始学走路 ,2岁可独立行走 ,但较同龄儿童动作稍笨拙 ,容易摔跤 ,以后病情缓慢加重 ,出现行走困难 ,四肢不灵活 ,动作缓 Dopa reactive dystonia (DRD) is a hereditary extrapyramidal disease that is clinically rare and misdiagnosed. We admitted to 2 cases, are as follows. Example 1, male, 6 years old. Slow movement with walking difficulties for 5 years. Children from the age of 1 began to learn to walk, 2-year-old can walk independently, but more clumsy than children of the same age, easy to wrestle, after the disease slowly increased, walking difficulties, limbs are not flexible, slow movement