《黄帝内经·灵枢·五乱》
气乱于手臂足胫部的，如有瘀血可首先在相应部位的血脉上针刺放血，然后针刺取手阳明大肠经的荥穴、输穴，和手少阳三焦经的荥穴、输穴治疗上肢的病变；取足阳明胃经的荥穴、输穴，和足少阳胆经的荥穴、输穴治疗下肢的病变。黄帝说：如何运用补泻的手法呢？
气在于臂足，取之先去血脉，后取其阳明、少阳之荥、俞。黄帝曰：补泻奈何？
When Qi is in chaos in the arms, legs and ankles, if there is blood stasis, bloodletting can be performed on the corresponding blood vessels first, then acupuncture can be applied to the Ying and Shu acupoints of the Hand Yangming Large Intestine Meridian, and the Ying and Shu acupoints of the Hand Shaoyang Sanjiao Meridian to treat upper limb lesions; acupuncture can be applied to the Ying and Shu acupoints of the Foot Yangming Stomach Meridian, and the Ying and Shu acupoints of the Foot Shaoyang Gallbladder Meridian to treat lower limb lesions. The Yellow Emperor said: How to use the method of tonifying and瀉?