The Center for Trauma Care and Research Organization (CTRO) conducted a psycho-social intervention training on “Psychological First Aid – PFA” in the morning of April 06, 2023, at the CTRO office in Phnom Penh. This training was held for participants from various NGOs, the Royal University of Phnom Penh, and volunteers from the center as well. This two-day PFA training was successfully finished in the afternoon of April 07, 2023.