On 9-10 August 2023, Assistant Professor Dr. Somkid Juwa, Dean of School of Public Health. University of Phayao, together with Assistant Professor Dr. Anukul Manothon, Assistant Professor Dr. Aranphak Pitakphong, Dr. Suthichai Sirinual Assistant Professor Sarawut Sangkham, Ajarn Pornpana Somjit, Ajarn Netnapha Promma and Assistant Professor Kritsada Sarndhong. In this conference, Asst. Prof. Dr. Aranphak Pitakpong from Department of Environmental Health, Participated in oral presentations on "Scoping and Guidelines for Health Assessment in Community Tourism, Mae Jai District, Phayao Province" as well as Ajarn. Netnapha Phromma from Department of Community Health, Participated in the poster presentation on the topic“Screening and scoping health impact assessment for tourism development in high land, Mae Jai district, Phayao province” in the academic conference on health impact assessment year 2023, Health Impact Assessment for Sustainable Future Health: Opportunities and Challenges The 13th Southern Happiness Fair takes place between 9-10 August 2023 at The 60th Anniversary of His Majesty the King's Accession to the Throne International Convention Center, Hat Yai District, Songkhla Province.