Chronic hand special infections were common diseases in littoral area of China, which was hard to cure and always had a long course and poor prognoses, and its social impact was huge.

• 手部慢性特殊感染在沿海地区是常见多发的疾病，由于其病程长，治疗困难，预后不佳并可能遗留严重的功能障碍，因此所造成的社会危害较大。