The Physical Society of Japan (PSJ) is a professional organization dedicated to the advancement of physics in Japan. Founded in 1877, it aims to promote research, education, and collaboration among physicists. The society publishes several scientific journals and organizes conferences to facilitate the exchange of ideas and findings in the field of physics. The PSJ also plays a significant role in fostering international cooperation in physics. It supports various initiatives, including outreach programs for students and public engagement activities, to raise awareness about the importance of physics in society. Through these efforts, the society contributes to the growth of the scientific community in Japan and beyond.