This is an open access book. The 1st IMHO focuses on the current global health issues, namely health fields as a whole are needed in the fields of medicine, nursing, pharmacy, public health, psychology, health education, health promotion, and other health fields. The objectives of implementing 1st IMHO are to: Documenting the latest research results and practical experiences from researchers, activity implementers, and collaborations in the health sector with health partners Formulate policies, strategies, and programs for the development of interprofessional collaboration (IPC) in the health sector with publication outcomes in Indonesia