This commentary elaborates on Thailand’s utilization of health taxes on unhealthy goods to health promotion at the population level. Thailand channels these health taxes into the Thai Health Promotion Fund, specifically a 2% surcharge added to the excise tax on tobacco and alcohol, to support health promotion initiatives. The document outlines the implementation of the fund and its role in driving effective action. Furthermore, it discusses how challenges posed by the tobacco and alcohol industries, as well as political economy issues, have been tackled.