Huai Niu Xi, Huai Niu Qi, or Huai Qi is also known as achyranthes root. The bitter, sour and neutral herb has been used in TCM as Anti-hypertensive, Anti-inflammatory and analgesic, Anti-aging and Anti spasm agent and to enhance immune system, treat irregular menses, postpartum pain in abdomen, etc., as it moves Blood, eliminates Blood …