The community service activity, conducted on March 17, 2022, aimed to implement the Tri Dharma of higher education and contribute knowledge on Clean and Healthy Living Behavior (PHBS) to mothers, fathers, children, and youth. The topic was chosen due to the tropical climate in Indonesia, where medical personnel play a crucial role in educating the public about maintaining a clean and healthy lifestyle to reduce the risk of disease transmission. The activity was held at Jl. Tapian Nauli No 9 Pasar 3 Ringroad, Medan, and attended by 12 participants, mostly children and adolescents. The training covered the definition, benefits, objectives, and indicators of PHBS, emphasizing the importance of hygiene practices such as using clean water, washing hands properly, using a latrine, and eating nutritious food. The event was deemed successful in raising awareness and understanding among the participants about the importance of PHBS, which is essential for preventing the spread of diseases and improving overall health. The organizers expressed gratitude to the university administration and other supporters for their contributions to the event.The community service activity, conducted on March 17, 2022, aimed to implement the Tri Dharma of higher education and contribute knowledge on Clean and Healthy Living Behavior (PHBS) to mothers, fathers, children, and youth. The topic was chosen due to the tropical climate in Indonesia, where medical personnel play a crucial role in educating the public about maintaining a clean and healthy lifestyle to reduce the risk of disease transmission. The activity was held at Jl. Tapian Nauli No 9 Pasar 3 Ringroad, Medan, and attended by 12 participants, mostly children and adolescents. The training covered the definition, benefits, objectives, and indicators of PHBS, emphasizing the importance of hygiene practices such as using clean water, washing hands properly, using a latrine, and eating nutritious food. The event was deemed successful in raising awareness and understanding among the participants about the importance of PHBS, which is essential for preventing the spread of diseases and improving overall health. The organizers expressed gratitude to the university administration and other supporters for their contributions to the event.