Sri Lanka has had a pluralist health care system for centuries, in which Western biomedicine coexists with the Ayurveda system. However, recent studies suggest a declining trend in the use of the Ayurveda system. This study provides insights into the reasons for the low utilization of the Ayurveda system at present. The study findings reveal that low utilization of the Ayurveda system can be attributed to several factors, including the quick effect of Western medicines, the perception of being accustomed to Western medicines, a lack of competent Ayurveda practitioners, the high cost and low quality of Ayurveda medicines, and the rapidly changing lifestyles of villagers. However, for certain conditions such as fractures, snakebite, and paralysis, the majority of the Sri Lankan population still uses Ayurveda treatment. In conclusion, we suggest that health authorities should take into account these changes for future health planning in Sri Lanka.