Abstract:【Abstract】 ultrasound elastography is a new ultrasonic diagnostic technique, by which tissue stiffness or elasticity is detected with quantitative or semi quantitative analysis, learning the histopathological basis of the lesions indirectly, so as to diagnose the diseases qualitatively. Now it has been used in diseases of multiple systems, including the breast, thyroid, liver, prostate, lymph nodes and so on. But few studies have been done on skin diseases. This article reviews the research progress and application of ultrasound elastography in the evaluation of diseases of skin and appendages.