【正文】 Ultrasound is the ultrasound both of the main tools scattered by the ultrasonic generator, ultrasonic vibration systems, ultrasound scattered tools, containers scattered ponents. Both of the working principle, when the ultrasonic generator output voltage and high frequency of the ultrasonic vibration, the vibration of horn after mechanical amplitude Larger Role in scattered tools, in containers within a strong decentralized.Key word: pulse discharge, ultrasonic sterilization, both of ultrasound Food sterilization technology is the industry one of the core technology, with the rapid development of science and technology, using ultrasonic pulse disinfection and sterilization in people’s lives of more and more widely, but the present, we have on the one hand. aso very limited. Thus it is a vigorous development and there are unlimited prospects for the technical and industrial fields. As an emerging filed, it must be a lot of room for development, it will move more highprecision positioning in the direction of, to meet the growing needs of the munity. At present, the most extensive application of this technology for liquid is sterilized, ultrasonic pulse discharge of the unique properties of water, food, such as sludge treatment and greatly improve the daily life of the inconvenience, but also reduces certain industries. The waste of energy and opens up good prospects. In industrial production, ultrasonic pulse sterilization and disinfection to play the same role can not be ignored, such as: ultrasonic sterilization technology for small static cleaning the boiler. Pulse sterilization can be applied effectively killed the wine and soy sauce in most of the bacteria, is used in industrialscale production of wine and soy sauce on the role played great. Although this technology in China also start soon, the current technology has yet to be improved, but we can see its future and prospects, the use of modem science and technology, we can improve the technology so that it more closely with the Automation, embodied economy. In the new century, Miamaoyixin the ultrasonic pulse sterilization technology and sterilization technology will play a greater role.Key word: ultrasonic wave sterilization Pulse sterilization In the 21st century, along with high technology and new technology and so on electron, information unceasing development, along with the market demand personalization and the diversification, in the future the advanced laser and the ultrasonic wave technological development’s general trend will be to the precisonic , the flexibility, the work, the virtualization, intellectualized, the clear purification, integrated, the globalized direction develops. Especially in food fermentation industry. This is because the laser characteristic and the ultrasonic wave transmission characteristic and has the cavitation to maintain freshness, and so on a series of transformation effect, enables it to have in the following several aspects further studies and applies: laser stimulating surface reation of methanol on oxide pounds Reaserch on Exogenous DNA Introduction in Vegetable Breeding Analysis of fructose, gloucose, sucrose, lactose and maltose in food by performance liquid chromatography with evaporative light scattering detector Study on the Deteriorating Course of Fresh Milk by Laserinduced Fluorescence Speatra Determination of phosphorous o=in food by the laserinduced fluorescence quenching method with multichannel detector Application of ultrasound Sterilization Technology in Food Industry Application of Ultrasonic in Food stuff Drying The Applications and Research Progress of Ultrasound Assisted Extraction in Food Industry Pretreatment of Chicken Egg White by Ultrasonic Wave Homogenization and Glucose Oxidase DesugarizationModern society’s food has faced the electricity, the light, the sound, magism many kinds of method union technological development. The enterprise considers from own development angle and the munity responsibility, the agile manufacture, the parallel projects, the fast primary form, the green manufacture and so on advanced principle year is used gradually, enterprise towards fast, highly effective, low cost, the high ine, delivers mon people livelihood foundational foodKey word: laser, ultrasonic wave, food ,fermentation 目 錄1 緒論 .....................................................................12 激光的產(chǎn)生及特性 .........................................................2 激光的產(chǎn)生 .............................................................2 激光的物理特性 .........................................................3 方向性好（發(fā)散角小） ...............................................3 單色性好（光譜純） .................................................4 相干性好 ...........................................................4 亮度高（能量密度大） ...............................................4 空間結(jié)構(gòu) ...........................................................5 時(shí)間結(jié)構(gòu) ...........................................................5 激光器的分類 ...........................................................53 激光的生物效應(yīng) ...........................................................7 熱效應(yīng) .................................................................7 光化學(xué)反應(yīng) .............................................................7 壓力效應(yīng) ...............................................................8 電磁場(chǎng)效應(yīng) .............................................................9 生物刺激效應(yīng) ...........................................................94 影響激光作用效果的因素及設(shè)備 ............................................10 影響激光作用效果的因素 ................................................10. 1 激光工作方式 .....................................................10 激光能量參數(shù) ......................................................10 時(shí)空參數(shù) ..........................................................10 光學(xué)參數(shù) ...........................