Quality evaluation of E-commerce which was studied from three perspectives,i.e.technological means,investigation of experts,perception of users is one of the important contents of website evaluation research.Setting up model and scales of perceived quality of e-commerce website becomes a hot spot and the forefront of the quality evaluation of e-commerce.It is generally accepted that perceived quality of e-commerce website is the assessment of users on the functions of website meeting their demands and the whole efficiency of websites.Based on the research results of forefathers,the authors lau...