This research reports the Japanese diplomacy strategy as an effort to establish as a Muslim-friendly country through the development of Japan’s halal industry in 2000 to 2017. The strategy that has been done by Japan is increasing the needs of Muslim tourists visiting Japan for example halal food and facilities for Muslim tourists. There were two concepts used to analyze the new phenomenon: Cultural diplomacy and halal tourism. This study used descriptive analysis to explain the issues being discussed. Data analysis employed wasainductive approachasthis reseach emphasized on words rather than quantification. This research also collected information based on facts to the object of research, then it was analyzed in order to support the result of writing. There werefive sectors that had been developed by Japan:(1) improvingrestaurants and minimarkets that had provided halal food, (2) providing several halal labeling agencies in Japan tha was Japan Islamic Trust (JIT; (3)granting visa exemptions to some countries with Muslim majority such as Indonesia and Malaysia.From this study, it was found that there wasan increasing number of visitors to Japan after the enactment of several strategies to attract Muslim tourists. Moreover Japan had been the top five list of top destination countries for Muslim tourists to the non-Organization of IslamicCooperationregion.itmade clear that Japan’s strategy to establish itself as a Muslim friendly country had been successful. this research is expected to be a reference for the Indonesian government as the Indonesiahas greaterpotential to be a Muslim-friendly country.