The further development of information ethics needs to solve some important ethic problems involved with disciplinary construction.These problems include:the cause of the formation of information ethics;the research method,attribution and features of information ethics;the connotation and systematic structure of information ethics;the enlightenment we gain from the studies of the guiding principles of information ethics in foreign countries.The scientific analysis and exposition of these problems are helpful to the prosperity and perfection of information ethics and to the construction of social information ethics.