Huatuo Zaizao Pills (also known as Huatuo Zaizao Wan) are a widely recognized Traditional Chinese Medicine (TCM) formulation used to treat and prevent cardiovascular and cerebrovascular diseases, particularly ischemic stroke and its sequelae. Named after the legendary ancient Chinese physician Huatuo, these pills are formulated to improve blood circulation, resolve blood stasis, and clear phlegm blockages affecting the nervous system.