Since Appledaily News had been published in Taiwan in 2003, it made a huge impact in news industry in Taiwan. The research studies in confronting Appledaily News which has been published in Taiwan, and what kind of effect has happened in China Times, United Daily News and Liberty Times when they compete with one another. The research uses the content analysis to analyze whether or not this competition will make the front page of a newspaper become more diverse in News industry. Otherwise, the research also wants to find out whether or not the diversity of Appledaily News is better than other Newspapers. According to this research, the competition of newspaper industry is eminent positive correlated with the news subject on the front page of a newspaper, and also with the diversity of the source. So China Times¡BUnited Daily News and Liberty Times in competition period are more diversity in the news subject on the front page of a newspaper and the source than oligopoly period. In addition, Appledaily is more diversity in the same measure than China Times, United Daily News and Liberty Times.