Diabetic patients do not heal wounds exist for a variety of reasons, treatment includes the following: 1, diabetic patients prone to infection, the first should control the infection factors, and through the overall control of blood sugar and comprehensive adjustment to control infection; 2, diabetic foot patients do not heal wounds, and lower limb ischemia related, can be applied to activate blood stasis, vasodilator drugs to improve blood flow in the lower limbs to improve wound healing problems; 3, combined with the external use of Chinese medicine, such as The wound is not healing and is related to lower limb ischemia.