Diabetic patients with long-term poor glycemic control are very prone to atherosclerosis and can also be combined with a variety of chronic complications such as peripheral neuropathy. In diabetic patients, atherosclerosis of the lower limbs and peripheral neuropathy of the lower limbs can lead to the occurrence of diabetic foot lesions. Diabetic patients should strengthen foot care by doing the following: First, avoid walking barefoot to prevent trauma to the foot. Second, diabetic patients should not take too long to soak their feet, the temperature should not be too high, there should be a chaperone to monitor the water temperature to avoid burns. Three, often check the foot for minor trauma, infection, nail abnormalities, etc. When trimming the nails of diabetic patients, be careful not to trim them too short, so as not to cause damage to the soft tissues around the nail. V. Try to wear shoes and socks of appropriate size and comfort.