The enterprises of cable TV have to face much more pressure than ever; the reason is not only the rapid development of information technology but also the changes of market demand and the competition of the same business in Taiwan. In order to strengthen the competitive force in the radical market, cable TV companies have started to make plans and financial investments of adopting Information Systems (IS). Even though the cable TV firms have recognized the benefits of IS adoption, but they are still looking for the more efficient way of using IS to improve the business. Based on the significance of IS adoption and the lack of related empirical studies, this research endeavors to examine the factors which affect the cable TV enterprises on their tendency to adopt IS. The factors are selected from four dimensions¡G Characteristics of IS, characteristics of IS supplier, characteristics of environment, characteristics of organization. The important discoveries of this research as follows: 1. The operating structures of IS will affect the effectiveness of the cable TV companies. 2. The frequency of IS replacement will affect the measurement of cost by their cognition in cable TV firms. 3. The distinct style of leadership will affect the training time and cost of the new IS adoption. 4. The most of investigated firms are satisfied with the IS they adopted. 5. The capability of consultants fitted with the awareness of the Cable TV enterprises. 6. The group cable TV firms value the marketing share of IS suppliers more than the independent ones. 7. The group cable TV firms have less competitive pressure than the independent ones. 8. The large scale of cable TV firms have much more investment of IS than the small ones. 9. The smaller cable TV firms value the support of executive managers more than the bigger ones.