Diabetic foot is recommended to apply heat cautiously, because diabetic foot patients often have diabetic peripheral neuropathy and poor perception of local temperature. Hot compresses must strictly grasp the time and temperature of hot compresses to avoid skin burns, and then diabetic foot patients often have lower limb arteriosclerosis and arterial plaque thrombosis. Hot compress must pay attention to thrombotic disease prevention and control, it is recommended to assess the vascular condition before going for hot compress. Patients with diabetic foot often have disorders of the vegetative nervous system, and the venous system of the foot is often filled. Hot compresses may increase the local venous reflux pressure and increase the local venous reflux burden, so diabetic foot patients, it is recommended to be cautious with hot compresses. However, some traditional Chinese medicines can improve the local skin hardening of diabetic foot, so hot compresses can be applied under the condition of active blood sugar control and better grasp of temperature, and traditional Chinese medicine foot soaking can also be performed.