This study has been carried out to investigate the cause and treatment of Ja-Han(自汗) by referring to 37 literatures. The results were as follows; 1. The factors causing Ja-Han(自汗) divided into 2 groups. The 1st outer factors are six dirty(六淫), 2nd kihu(氣虛) and yanghu(陽虛). 2. The drugs of Ja-Han(自汗) is as follows. ocbyungpungsan(玉屛風散), hwanggigunjungtang (黃?健中湯), samgitang(參?湯), hwangbutang(?附湯). 3. The treatment of acupuncture is as follows. gokji(曲池), yulgul(列缺), sosang(小商), gonryun(昆岺), chungyang(衝陽), yungok(然谷). daedon(大敦), yongchun(湧泉).