Leg pain is one of the most common diseases in surgical clinics. In people’s mind, leg pain is caused by lumbar disc herniation, which is a misconception, and due to this misconception, many patients may be misdiagnosed and mistreated for a long time. Patients in the early stage can be treated conservatively without surgery, but in the late stage, they not only need to be operated, but also have to be replaced with artificial blood vessels or even amputated. How can people distinguish in their daily lives whether leg pain is caused by osteophytes, lumbar disc herniation, or by arterial and venous vascular diseases of the lower limbs? Here are a few common vascular diseases of the lower extremity vascular lesions that cause leg pain. There are many kinds of lower extremity vascular diseases with different clinical manifestations. Generally, the symptoms are intermittent in the early stage and continuous in the late stage. Chronic obstructive artery disease, lower extremity atherosclerotic occlusive disease, thrombo-occlusive vasculitis, and diabetic foot are painful when walking and walking and relieved after rest, which is medically known as intermittent claudication, and the symptoms will be further aggravated if not treated in time at this stage. Pain at rest without activity is still present, which is medically known as resting pain, often worsening at night, making it impossible to sleep and sitting in bed with knees clasped. Arterial obstructive disease decreases in a warm environment and is position dependent, with elevated patients experiencing increased pain due to decreased blood supply and decreased pain due to increased blood supply after dropping. Venous diseases of the lower extremities (deep venous valve insufficiency, deep vein thrombosis, thrombotic superficial phlebitis, etc.) cause relatively mild leg pain, mainly manifesting as swelling, weakness, and pain in the lower extremities, aggravated in a hot environment, and relieved by elevation of the affected extremity. In short, when your extremities, especially the lower extremities, suddenly appear swelling and pain, cold or fever, color change, etc., to prevent the risk of acute lower extremity deep vein thrombosis or acute lower extremity arterial embolism; when your extremities appear cold, pain, numbness, color pale, intermittent claudication, etc., to prevent the possibility of occlusive arteriosclerosis; if you have diabetes, appear cold, pain, numbness of the extremities If you have diabetes and have symptoms such as coldness, pain, numbness, claudication, skin breakdown, etc., be alert to the risk of diabetic occlusive arteriosclerosis and diabetic foot; when you have sudden redness, swelling, heat and pain and high fever in the front of the shin, be aware of the occurrence of dengue; when you have swelling, darkening of the skin, and ulcers in the front of the shin, prevent the occurrence of old rotten legs. When your leg pain symptoms are similar to the above, check yourself, feel the blood vessels of the lower limbs for pulsation, pay attention to the color and skin temperature of the lower limbs and feet, and visit the vascular department if necessary to get out of the misunderstanding, early diagnosis and early treatment to avoid the tragedy of pulmonary embolism or amputation.