At present, usually referred to as ultrasonic knife mainly refers to the United States version of the ultrasonic knife, its anti-aging effect is extremely significant, is currently the world’s only U.S. FDA-approved “Lifting” lifting indications non-invasive instrument, however, with the development of plastic surgery science and technology in various countries, a variety of versions of the ultrasonic knife has been launched, as far as the domestic market is concerned, the United States and Korean version of the ultrasonic knife is more common. The U.S. version and the Korean version of the ultrasonic knife is more common. First, ordinary consumers to identify the appearance of the U.S. version of the ultrasonic knife U.S. Ulthera Polar line sonic facelift, is produced by the U.S. Ulthera company in 2008, focused ultrasound DeepSee real-time visible patented technology, treatment can be immediately observed up to a depth of 8mm layer of tissue, in 2008 in Europe and Asia on the market in 2009 through the U.S. FDA, is the first and only international A U.S. FDA “Lift (lift)” indications for skin tightening system, so far there have been more than 100,000 cases of treatment Korean version of the ultrasonic knife Doublo focused ultrasonic facelift in South Korea, South Korea’s Doublo is 2010 Doublo’s research and development of the ultrasonic lifting HIFU new technology, to obtain the European Union CE certification and the Korean Drug Administration KFDA. As well as the Korea Food and Drug Administration KFDA certification. Here I have to mention one thing: China is a manufacturing country, the appearance of this tin box is difficult to defeat the imitation technology of the small workshop, here only rely on the doctor operator’s conscience of the industry. Operation interface in the ultrasound dynamic picture, the number of treatment rounds, probe position and start the U disk and so on are the main points of identification. Second, the treatment effect comparison American version of the ultrasonic knife: Ulthera limit sonic facelift only once, directly to the deep fascia (SMAS) 68-72 ℃ heating, non-invasive devices for the present. The non-surgical equipment with the highest temperature, the deepest depth and the best lifting and tightening effect, no recovery period, the effect can last about 24 months, depending on age and skin condition. Korean version of ultrasonic knife: South Korea Doublo extreme sonic facelift 1 to 2 times the treatment effect can be maintained for about 18 months, depending on age and skin condition. Simply put the choice of instrument to synthesize the customer’s opinion, spending power, etc., which is actually a period of time of high-end maintenance products. Domestic ultrasonic knife most of the end of 2014 to emulate out, instant effect is also there, but the effect of lasting ability and safety to be tested. Third, the principle of treatment U.S. version of the ultrasonic knife: U.S. Ultherapy limit sonic facelift is the use of focused ultrasound form, with thousands of extremely small, independent thermal condensation points distributed in different depths of the SMAS layer, used to start the collagen newborn mechanism of the various layers of tissue to achieve the effect of lifting, contouring, firming, wrinkles. Korean version of ultrasonic knife: South Korea Doublo extreme sonic facelift is the use of high-intensity integrated ultrasonic energy (HIFU), stimulate the SMAS fascia layer collagen regeneration, so as to smooth wrinkles, increase skin elasticity, so that the skin translucent texture. Fourth, the price (2016) U.S. version of the ultrasonic knife: the U.S. version of the ultrasonic knife full part of the neck plus a single price in the country generally between 30,000 -40,000, of course, some of the activities may be reduced to 25,000 or so. Korean version of the ultrasonic knife: South Korea Doublo extreme sonic facelift comprehensive single price between 15,000-20,000 yuan.