Small itchy blisters on the hands may be caused by eczema or ringworm, and the blisters are more acute. If it is eczema, you can use Piperisone cream or Dinaid cream for external application, applying 2-3 times a day. Meanwhile, if the blisters are more numerous and running, you can use saline, wet a towel and apply cold compresses. At the same time, you can take oral anti-allergic drugs, such as ebastine, 1 pill a day, or oral loratadine, 1 pill a day or beriberi loratadine, 1 pill a day, at the same time, if the itch is more obvious, can not be resolved, you can add Chinese medicine such as Fangfeng Tongsheng granules or soothing the skin to relieve itching granules and so on.