The objectives of this research were to (1) synthesize competency of digital citizenship and concepts of interdisciplinary community-based learning; and (2) propose guidelines of interdisciplinary community-based learning management for promoting digital citizenship of pre-service teachers in the Thai context. The research was qualitative research conducted by using content analysis according to the grounded theory to obtain study results according to the objectives. The study results were as follows: (1) The results of synthesizing competency of digital citizenship and concepts of interdisciplinary community-based learning revealed that digital competencies which led to digital citizenship were as follows: Digital Access, Digital Literacy, Digital Commerce, Digital Safety and Resilience, Digital Participation and Agency, Digital Emotional Intelligence, Digital Creativity and Innovation, Digital Communication, Digital Ethics, Digital Health, and well-being. For concepts of interdisciplinary community based learning through pedagogical approaches, they consisted of Academically Based community Service / Civic learning / Environmental Education / Placed-based Education / Service Learning / Work-based Learning/Tech Pre /Ethical Case Studies/Social Engagement/Discipline-Based Model Problem-based Learning / Capstone course (a short course emphasizing self-study from actual and complicated problems) /Service Internship / Youth Apprenticeship / Community-Based Action Research Model /Experience-Based Career Education Volunteerism / Pre-Service Teacher /Field Education / Independent Study Modal and 2. Guidelines of managing interdisciplinary community based learning for promoting digital citizenship of pre-service teachers in the Thai context revealed that important issues leading to interdisciplinary community based learning management consisted of Contextual Knowledge / Academic study /Citizenship/ Community-based Learning/ Interdisciplinary approach/ Environmental Education/ Experiential Learning / Lifelong Learning.