This study identifies Thailand's principal problems in health and socio-economic development. It emphasizes those problems influenced by or amenable to change between the Thai government and the international assistance agencies. No specific plans for action were developed, though recommendations for further study are offered. The report opens with brief examinations of Thailand's general characteristics, people and culture, education, and economy. More time isspent on an analysis of health status and planning perspectives. Four major areas of concern relevant to health are discussed: 1)rapid population growth, 2) sanitation and environmental hazard, 3) nutrition, and 4) resource adequacy, allocation, and utilization within the health sector. Although much progress has been made inThailand's health care system, there still are great problems indelivering care to the rural areas. Both the money allocations and the manpower resources are inadequate to meet the need, and the rural population's cultural beliefs, attitudes, and values still are barriers to using the available inter-sectoral, services. The discussion and policy here planning. offers three planning perspectives; sectoral, Recommendations are made for each of the planning prospectives with examples of appropriate interventions at various levels of social organization. They are not meant to be definitive but rather are only a first step.