Waterjet” is a tool that allows water to form a jet of water under high pressure to cut, also known as “high-pressure water cutting tool” or “water saw”, first appeared in Canada, mainly used in industry, medical “waterjet” appeared in the early 1980s, until 1990, Rau et al. reported in clinical applications. The first appeared in Canada, mainly used in industry, medical “waterjet” appeared in the early 1980s, until 1990 Rau et al. reported in the clinical application. Subsequently, the field of application gradually expanded, in hepatobiliary surgery, orthopedics, neurosurgery is more widely used. It was introduced to China at the beginning of this century, and in 2002, Huashan Hospital of Fudan University in Shanghai successfully removed a huge hepatic hemangioma for a 30-year-old male patient for the first time in China. “Waterjet” began to be used in China’s burns clinic in 2013, the earlier report was seen in Shanghai Changhai Hospital, Professor Xia Zhaofan, Professor Zhu Shihui and their team applied “waterjet” to large area deep Ⅱ degree burn wounds to carry out scabbing surgery, followed by more domestic The “waterjet” has been reported successively in China. The academic name of “waterjet” is “waterjet system” (trade name: Ai Wei Jie) is the production of Schlafly, domestic bidding reference price of about 800,000 yuan. Domestic research, looking forward to localization as soon as possible, to the benefit of the majority of burn patients.