In recent years, many entrances enter to notebooks market because of a continuously glowing market and expand their capacity to produce notebooks. With the characteristic of processing and using information at any time and any place, notebook computers are getting acceptable by consumers and even tend to take the place of desktop computers. They possess the developing potentiality in the market but the relevant marketing researches about competition analyses are seldom found. This thesis aims to analyze the market positioning and competitive strategies of notebook computers. This study takes those who attend the international computers exhibition at Taipei World Trade Center as its research objects. It chooses eight brands that are well-known in the market and eight attributes that consumers think importantly about the notebook computers to design questionnaire. By doing personal interviews to gather information, by taking the SPSS, Excel packages as its tools and by using descriptive statistics, multidimensional scaling and cluster analysis to explore the market positioning and the competitive advantage, the following results are achieved. In market positioning, this research divides the eight brands into four groups: market leader-Asus, market challenger-IBM, market follower-Acer and market nicher-HP、MiTAC、FIN、Tosiba、TWINHEAD, then offers competitive strategies for each groups. Another, this paper uses attributes criteria evaluation and each firm's performances of these criteria to make firm's resources useful. Finally, it draws up four methods: appeal, improve, change and give up about four tactic directions for each firm.