Abstract
In order to study the classificadon, indication, acupoints and technique of penetration acupuncture. We searched related journals and text books. The results are as follows : 1. Penetration acupuncture(PA) already started at Okryongka(王龍歌). 2. Classification of PA according to angle of insertion was as follows: perpendicular PA, oblique PA, horizontal PA. 3. The effect of PA was as follows: increase of associaton between involved acupoints, quantity of stimulation and lesion of stimulation. 4. PA decreased the pain according to many acupoints. 5. The indication of PA was facial palsy, hemipanesis. Conclusion : PA was classified to perpendicular PA, oblique PA, horizontal PA according to angle of insertion and the indication of PA was disease like facial palsy and hemipatesis.