In order to promote the improvement of academic level in the fields related to the diagnosis and treatment of varicose veins of lower limbs in various hospitals, provide clinical experts in vascular surgery with the treatment experience of minimally invasive treatment of varicose veins of lower limbs, and jointly promote the academic development of vascular surgery to provide a good academic exchange platform. According to the research, the first phase of the 2022 training meeting on minimally invasive treatment of varicose veins of lower limbs is scheduled to be held online on April 29, 2022. This meeting is sponsored by Chengdu High-tech Medical Association and jointly hosted by the General Hospital of the Western Theater, the General Hospital of the Northern Theater and other military hospitals. It will focus on the diseases related to varicose veins of the lower extremities and the classic case study of surgery