Summary of case history, The patient Fu, whose left lower limb was scratched by blunt force for 55 days, has not healed. The first diagnosis was made on May 7, 2019, and the onset term was the second day of summer. Symptoms: 2 at about 10cm above the lateral malleolus of the left lower limb × 2 cm oval, about 0.5-1 cm deep, dark in color, slightly swollen and painful in some parts, sometimes with yellowish liquid exudation, heavy feeling of both lower limbs, red tongue and thick yellow coating, smooth number of ulnar veins, thin and smooth inch clearance.,TCM diagnosis ,The treatment principle of the deficiency of the sore of the thirst eliminating disease (the Yang is not raised, the damp heat is injected, and the blood stasis and toxin remain stagnant): replenish the Qi and raise the Yang, clear the heat and remove the dampness, activate the blood and water, and support the putrefaction and generate the muscle.,Western medicine diagnosis, Diabetes is lower limb ulcer.,Intervention measures, Buzhong Yiqi Decoction Combined with Simiao pill, 6 doses, Astragalus membranaceus and Zilian oil for external use, and Baisun pill for the second diagnosis.,Clinical outcomes , On May 20, 2019, the second diagnosis showed that there was no liquid exudation and pain at the broken part of the patient, the wound was smaller than before, the surrounding skin color was ruddy, the skin temperature was normal, red tongue coating thin white greasy, the damp heat subsided, the blood stasis and toxin were clear, and the sore was closed. After taking Baishi pill for more than one month, the wound was healed by telephone on July 2, 2019.