From May 6 to 13, 2023, Director Wang Jun from Department of Emergency and Critical Care Medicine (East District) was invited to attend diabetic foot seminar in Belgium and the 9^th International Symposium on the Diabetic Foot in the Netherlands. At the diabetic foot seminar, Director Wang Jun discussed key issues such as non-ablative radiofrequency technology with the participating experts. At the 9^th International Symposium on the Diabetic Foot, he participated in a series of in-depth discussion on the working principles and technical details of portable negative-pressure sealing technology, hoping to introduce novel technologies such as local hyperbaric oxygen chamber and non-ablative radio frequency into clinical work in our hospital, and establish a clinical research team for diabetic foot, thereby improving clinical treatment capability of the First Affiliated Hospital of Xi'an Jiaotong University in both basic and clinical applications.