Design thinking was introduced and inspired to THOHUH- Eli, 2023 participants on the second day.

Arjan Pisate Virangkabutra, a professional in Social Enterprise and Entrepreneur had brought in the key principles to create practical social innovation. A given an assignment through designing of a toothbrush for 3 different groups of people, homeless, 9-month pregnancy women, and early childhood who was going to practice how to brush, definitely made a clearer perspective of individual stakeholder.

Whereas in the afternoon, Assist. Prof. Dr. Pannamas Maneekan, and Assist. Prof. Dr Waraphone Pimpraphai also presented Participatory Epidemiology (PE) technique focusing on proportional piling for the purpose of gathering community problems together with observation and make a checklist, which all participants will apply to work in the community.