Interventional treatment is the third treatment method after surgery and medical treatment. In short, interventional therapy is a minimally invasive method of treating disease with the help of imaging equipment through the body’s original tubes or puncture channels without surgery. Interventional treatment has the advantages of being less invasive, simple, safe, effective, less complications and significantly shorter hospital stay. I. Interventional treatment combined with medical treatment to improve the efficacy The direct administration of drugs through the lesion can not only greatly improve the concentration of drugs at the lesion site, but also greatly reduce the amount of drugs and reduce drug side effects. Second, interventional treatment combined with surgical treatment through a small skin incision to complete the treatment, skin damage is small, beautiful appearance. The advantages of short treatment process, fast recovery and satisfactory results. At present, minimally invasive interventional treatment has become the most important treatment means for some childhood diseases (such as: pediatric giant hemangioma, venous malformation, lymphatic duct malformation, arteriovenous fistula, hepatoblastoma and retinoblastoma, congenital esophageal stenosis, etc.).