Diminished dorsalis pedis artery pulsation refers to the dorsalis pedis artery of the foot, due to compression and obstruction and other reasons, resulting in impaired blood supply to the foot, causing ischemia in the foot, mainly manifested as diminished or absent dorsalis pedis artery pulsation, pale color of the toes, pain, etc. It is commonly seen in the following diseases: i. Thrombo-occlusive vasculitis, which leads to vascular occlusion and ischemia in the foot. II. Dorsalis pedis artery and femoral artery thromboembolism, thrombosis and other conditions, resulting in the weakening or disappearance of dorsalis pedis artery pulsation. Third, aortic coarctation formation, resulting in ischemia of the entire lower extremity and weakened or absent pulsation of the dorsalis pedis artery. The weakening or disappearance of the dorsalis pedis artery pulsation indicates that the ischemia of the foot is serious, and effective measures need to be taken in time to avoid ischemic necrosis of the foot, toes and other tissues and organs.