We in this paper, introduce the application of High Intensity Focused Ultrasound (HIFU) to tumor treatments and some key problems with ultrasound imaging, positioning and focusing.

• 介绍了高能聚焦超声在肿瘤治疗的过程中要解决的关键问题-成像、定位和聚焦,并在此基础上提出了一种设计方案解决这些关键问题。