Assistant teaching web(ATW) is the reinforcement of classroom teaching.ATW could extend the time and space of teaching,achieve the gathering of multimedia teaching resources,change teaching mode in multi ways,update or open the teaching resources at any time as your wish.ATW was constructed in B/S structure with Web technique and structural design method.The whole was divided into several isolated but related subsystems and functional modules. ATW integrated different teaching resources such as teaching material,electronic teaching textbook,references and notices.It could run pictures,flash,audio & video files.The ATW is also the exchanging platform among teachers and students through answering questions,BBS and message board.The students could submit their schoolwork or exercises on ATW.The teachers could manage the information on ATW by themselves.