【正文】 CAI is in the important meaning in the modern teaching: The CAI is people to make use of a calculator technique to develop the whole study resourceses, passing it, making calculator and the person39。s after, along with tiny machine technical development, the Chinese characters handles technical maturity, for our country of the CAI technical development beat to descend foundation, our country of CAI technique the industry develop the end of 8039。 of technique and the foundation conditional margin, make the CAI of each university inside the country of actual use start country CBE and CAI research get behind with a flourishing nation, starting from 8039。s all student can listen to a teacher explain in detail in the CAI laboratory, can also use to try a database to carry on to wait from the check. 3. A little bit foreign panies39。s function part etc. modern calculator technical development and universality along with the calculator work, tiny machine, multimedia and the modern software after the beginning of 8039。s, the CAI gets development and expansion gradually, and correspond of the tool be developed, producing more abundant support more typical applied system contain IIS and IIAS of IBM pany, this is one is more typical of the CAI of large machine S370 supported system at that contents includes the teacher39。 CAI auxiliary teaching Education and calculator extended education of the calculator assistance are ones of calculator technique are count for muches of applied one of the realms, and because decade to tiny machine technique, work technique, multimedia technique with correspond of the software technical development, promoted CAI and CBE fly to develop soon and CBE have already bee a very important and valid means of modern teaching gradually currently 一、 The CAI is abroad of development general situation: Have started ushering in the calculator technique to education realm at the beginning of 6039。s since the fertile graduate school of the IBM pany of 1958 the United States designed the first calculator teaching system, people start the research which learns from the method developing to bine together with actual calculator system, aiming at a different academics on various calculator systems, developing a some calculator extended education softwares as a kind of assistance means that the student is selfeducated and review 708039。s teaching material writing, the student studies, the entity manages and examines are also the systems PLATO4s of the United States moreover, Sophie system, the TUTOR of the CDC pany and the NATAL system of Canada etc..The American teaching expresses after testing a service center to the overall valuation of systems PLATO4s in five teaching categories, such as calculation and living creature, chemistry, English, mathematics...etc. to can replace the teacher39。s, promoted consumedly a CAI development, and because of voice, elephant etc. multimedia technical application, make him have already gone deep into teaching gradually of each link, it is concretely expressed as follows: 1. International ascend many universities all have already started to build up a CAI research center and provided student CAI to start up a condition gradually. 2. Try a database, the database manages system, taking intellective examination system39。 trainings to employee have already been gradually trained by original concentration, change in order to adopt a CAI technique, is carried on a study from the CDROM by the employee the expense of the pany consumedly 4. On the international