This book aims to provide readers advanced information on the clinical application of MRI and ultrasound-guided focused ultrasound ablation for benign uterine diseases. Followed by a brief introduction of the principle and method of focused ultrasound ablation, and imaging diagnosis of uterine fibroids and adenomyosis, typical cases of focused ultrasound ablation treatment for uterine fibroids, adenomyosis and other benign uterine diseases are presented, accompanying with high-resolution illustrations. Key points in imaging diagnosis, efficacy prediction, ablation procedure, and posttreatment evaluation are included. The possible complications and treatment strategies are also discussed. It will be a useful reference for gynaecologists and practitioners to perform focused ultrasound ablation for the treatment of benign uterine diseases.