This research aims to analyze how Japanese technology is produced in Indonesia in the Japan Halal Food Project Program. By using Diplomacy theory according to Russet and Starr and the second theory using Cultural Diplomacy from Prof. Tulus Warsito and Wahyuni Kartikasari as well as the last theoy, Gastrodiplomasi according to Rockower, where in the thesis found a lot of information about Japan that Japan is a very unique country because they underwent a major change after the second world war in which Japan changed its country's needs from military power to the time This utilizes its economy, where today Japanese culture is helping to increase the income of Japanese countries such as manga anime, and recently, Japan uses food as a form of their new relationship with Muslim countries, one of them is with Indonesia. By developing the Japan Halal Food Project Program this is because Japan wants to increase Muslim tourists to visit Japan. therefore Japan uses the halal word in its program. this program can increase Muslim tourists to visit Japan.