Ultrasound elastography is to extract the elastic characteristics of the organization and a new imaging technology,It make up for the shortcomings that traditional medical imaging modality can not provide direct tissue elasticity.and it is widely used in clinical,especially in the superficial organs application has been carried out in full swing,And further used in the diagnosis of diseases of other organs,become a hot research topic in medical elastography.This article describes the basic principles of elastography,and focuses on the UE in the breast,thyroid and prospects for development in clinical applications.