Carotid artery plaque is mainly caused by blood stasis and phlegm-dampness internal obstruction (phlegm and dampness obstructing the internal organs and meridians) from the perspective of Traditional Chinese Medicine (TCM). It needs to be treated with traditional Chinese medicines that activate blood circulation and eliminate blood stasis (promoting blood circulation and eliminating blood stasis in the body), and dissolve phlegm and dispel dampness. 1. Blood stasis and obstruction: When carotid plaque patients have symptoms such as tingling that worsens at night, purplish tongue with petechiae, and dark-colored blood clots during menstruation, they can take Blood Stasis and Blood Vitalizing Soup as prescribed by the doctor for treatment. 2. Internal obstruction of phlegm-dampness: When carotid plaque patients have loss of appetite, heavy limbs, sticky stools, white or yellowish tongue coating, they can take traditional Chinese medicines to resolve phlegm-dampness for treatment, and the commonly used medicines in clinic are Er Chen Tang and Wu Ling San. Patients with carotid artery plaque need to go to the hospital, by a professional doctor for diagnosis, do not apply drugs.