Recently, the Department of Interventional Medicine of our hospital has successfully opened the completely occluded arterial vessels in the lower leg below the knee joint for a patient with thromboembolic vasculitis, relieving the patient’s pain and bringing hope to his life. This patient is 37 years old, manager of a pharmaceutical company in Lanzhou, found that the right lower limb is cold, numbness for 2 years, had consulted many hospitals in and out of the province, all consider the possibility of disc herniation, in recent months, the right lower limb pain is intense, the right toe is broken, can’t sleep, a doctor in a foreign hospital suggests to amputate the limb, the patient is in great pain, lost confidence in life, the family made many inquiries and consulted the Department of Integrative Medicine of the First Hospital of Lanzhou University, and after careful examination by the general practitioner, the patient was given hope to live. The patient was initially diagnosed with right lower limb thromboembolic vasculitis after a detailed examination by a general practitioner; thromboembolic vasculitis occurs mostly in young adults and is more common in males. The lesions mainly involve the middle and small arteries of the limbs, superficial veins and accompanying veins are also involved. Thromboembolic vasculitis belongs to the category of “vein paralysis” and “gangrene” in Chinese medicine, which is caused by the injury of emotions, insufficiency of liver and kidney, unhealthy spleen qi, and cold and dampness, resulting in cold and dampness condensing the meridians and collaterals, occluding pain, and poor qi and blood circulation. Such patients often have limb ischemic pain, mildly disappear or reduce at rest, walking or after activities, the pain recurs or aggravates, the formation of intermittent claudication. In severe cases, the pain is severe and persistent, especially at night, the formation of resting pain, often making the patient bend the knees and sit holding the feet. These patients often also have coldness and abnormal sensation in the affected limb, change in skin color or cyanosis, weakened or disappeared arterial pulsations, gangrene and ulcers. These patients are often amputated due to uncorrectable limb ischemia. After the patient was admitted to the hospital, arteriography of the right lower limb was performed to clarify the diagnosis, and interventional surgery was performed to open the occluded arterial vessels of the right lower limb below the knee joint, and the surgery was very successful, and the patient was given traditional Chinese medicine treatments such as activating blood circulation and removing blood stasis, removing aggregation, and enlarging the blood vessels. The successful implementation of this patient’s surgery signifies that the Department of Interventional Medicine of our hospital has reached the world’s leading level in the treatment of thromboembolic vasculitis.