Primary health care and primary medical care are necessary for the people to live everyday in good health worldwide. Primary care (PC) medicine has been born and developed according to the situation of each country. Japanese PC includes remarkably high quality and contains the 5 factors of ACCCC (Access to Care, Comprehensive Care, Coordination of Care, Continuity of Care, Contextual Care) by Saultz. 1 The first author aspired to PC medicine, studied in a US residency program, and in 2017 presided over the 8th National Convention of the Japan Primary Care Association (JPCA). 2 There are historically two great doctors who have been involved in PC in Japan. One is Dr. Shigeaki Hinohara (1911-2017), the father of Japanese PC medicine. 3,4 He has brought a new concept and dimension to Japan such as health education, problem-oriented system (POS), nursing education, PC medicine, music therapy, and so on. 5 Another is Dr. Yoshikazu Tasaka. He was a super doctor always active in medical treatment, organizational management, postgraduate education, and information dissemination using the Internet, and was known and respected to everyone in the field of PC medicine 6 (Figure 1). In this article, his achievements would be introduced associated with probable suggestions for the future development of PC medicine across the world.