Interventional Ultrasound has been gaining more and more attention as the leading technology of the new generation of minimally invasive surgery. More and more people are experiencing the convenience of minimally invasive surgery, not only in terms of reducing pain during treatment, but also in terms of speeding up the healing process. The contribution is even more prominent in the treatment of cysts, palliative bile duct internal drainage and liver cancer. Interventional ultrasound is the ultrasound-guided entry of a puncture needle, catheter or other instrument into a lesion or duct, etc., either percutaneously or via the internal cavity, for aspiration, biopsy, drug injection, placement of drainage, ablation or other diagnostic and therapeutic purposes. Under the guidance and monitoring of real-time ultrasound, the physician is able to visualize the lesion in three dimensions, which is very safe and avoids side injuries to large blood vessels and adjacent organs. This feature is also the most advantageous aspect of interventional ultrasound. No matter how large the cyst, hematoma, abscess, or tumor is, the patient does not need to feel the pain of a caesarean operation and can be further diagnosed or treated through puncture or tube placement techniques. In addition, the medical cost is low, the patient suffers less pain, and the treatment is completed without hospitalization or with only one or two days of hospitalization for observation, which saves the patient a great deal of money in treatment and hospitalization costs. It can be said that because of interventional ultrasound, the standard of medical diagnosis and treatment has been strongly improved, and the scientific content of medical treatment has also been significantly enhanced. Interventional ultrasound is a minimally invasive technique, which is equivalent to replacing a major surgery with a precise minor surgery. The main applications of ultrasound-guided interventional procedures are: (1) puncture aspiration, sclerosis or placement of drains for various cysts (abscesses, effusions, etc.); (2) puncture biopsy (histology or cytology) of various tumors or tissues; (3) percutaneous percutaneous hepatic percutaneous biliary drainage (PTCD) as well as renal and cystostomy; (4) metal wire localization of breast (or other) masses; (5) ultrasound-guided (5) ultrasound-guided intratumoral drug injection therapy; (6) anhydrous alcohol injection sclerotherapy (ablation) for tumors (including liver, thyroid and other parts of the mass); (7) radiofrequency (microwave) ablation therapy for liver tumors; (8) vacuum-assisted minimally invasive rotary excision therapy for breast masses (McMurdo/Vanco); (9) ultrasound-guided nerve block for pain treatment, etc. At present, ultrasound interventional therapy has made great progress in the international and domestic market. Since interventional therapy is a minimally invasive procedure with the advantages of simple operation, little damage, safety and convenience, low cost, significant recent efficacy, few complications, easy to repeat, etc., especially for patients who do not want to operate or lose the opportunity to operate, it provides a wide treatment space and is gaining more and more attention from scholars at home and abroad, and it will be a future It will be a trend in the field of minimally invasive surgery and will bring immeasurable contribution to the medical and health care of human beings.