The rapid development of digital technology is influencing many countries, such as the U.S., Japan, Korea, and Hong Kong, to start developing digital textbooks and to regard it as an important national policy. Our country, which has long relied on paper textbooks as the most important teaching and learning resource, has to face the development of digital textbooks. This study is the general project of an integrated research. It investigates domestic and international digital textbook development issues in relevant documents, interviews the textbook publishing industry, and focus group discussions among the government, industries, universities, and research institutions. This study brings out the following conclusions: (1) In the aspect of policy: The government has not developed digital textbook policy actively enough, for it lacks overall plans and supporting. Digital textbooks cannot fully replace paper textbooks, so a possible trend for future development is using them at the same time or as an alternative teaching material. If paralleling is adopted, digital textbooks should be included in the review mechanism. Hardware and software standards, copyright management, and price mechanism should be properly dealt with. The digital textbook development policy should be prevented from becoming the results of technology monopoly. (2) In the aspect of cultural politics: There is no specific developing schedule for digital textbooks. Our digital education development policy is apparently led by technology industry. It requires the cooperation of industries and the government to promote digital textbooks. It needs further empirical research to evaluate the effect of digital learning. (3) In the aspect of teaching practice: The role of teachers needs to be adjusted. Teachers should be able to evaluate subject content, teaching methods, and technology applications to merge effective technologies into teaching. It should also be assessed whether digital textbooks are suitable for promotion in every subject field of primary and secondary schools. As for digital textbook development, the suggestions are as follows: (1) The government should make digital textbook development plans and schedules and firstly promotes teacher training and basic constructions of school Internet. (2) The government should modify relevant laws. How to make regulations of reviewing and approving digital textbooks, amend digital copyright administration in copyright laws, rules of public transmission, standards of digital textbook software and hardware, and formats of data sending collection, should be properly studied. (3) Empirical research should continuously proceed for tracking how the use of digital textbooks affects the physical and mental development of students, the research and development and experimental teaching of digital textbooks.