Abstract:With the development of ultrasound technology, regional block is widely used in perioperative analgesia, and effective pain management is an important guarantee for accelerated rehabilitation of surgical patients. In recent years, many literatures have reported that fascia iliaca compartment block (FICB) can provide good perioperative analgesia for lower limb surgery, especially hip and knee surgery, and the operation is safe and simple. This paper reviews the anatomical structure, operation method, local anesthetic selection and concentration, clinical application of FICB.