Japanese adult pornographic films first appeared in Taiwan in the 1980s. After decades of development, they have played an important role in the social evolution of Taiwan, and are the most common source of pornographic culture currently available in Taiwan. After the analysis, the following results were found the abundant occupations, scenes and role settings reflect the diversity and openness of modern sexuality. Therefore, they should not be seen as obscene articles, as they record the sexual activities of contemporary human beings. They should be given a proper social position. Specific sexual subjects can be further studied in the future.