These acupoints are usually needled perpendicularly 0.5 - 2 cun. Those near the ankle are needled perpendicularly 0.5 - 1 cun.
Xiyan (EX-LE 5)--It is needled 0.5 - 1 cun obliquely towards the knee.
Weizhong (BL 40)--It is needled perpendicularly 0.5 -1 cun or pricked for bloodletting.
Zusanli (ST 36)--It is needled perpendicularly 1 -2 cun.
Sanyinjiao (SP 6)--It is needled 1 - 1.5 cun perpendicularly and slightly posteriorly.