This study aims to analyze the level of knowledge and understanding of the Sukadana Malay medicinal plant lexicon, especially among the school-age, early adults, and advanced adults population. The methods used in this research are qualitative and quantitative. Data collection involves observation, interviews, documentary study, and questionnaires, with age-divided respondents into three age groups: school-age, adult, and advanced adults. Data analysis comprises activities such as data reduction, presentation, and conclusion drawing, with specific techniques including organizing and reducing research data and analyzing the knowledge and use of different age groups. Based on the results of the analysis regarding the level of knowledge and use of Sukadana Malay medicinal plants, respondents of school age (14-17 years) have an average level of knowledge and use of Sukadana Malay medicinal plants as much as 26%, early adult respondents (21-45 years) have an average level of knowledge and use of Sukadana Malay medicinal plants as much as 58%, while advanced adults (46 years and over) have an average level of knowledge and use of Sukadana Malay medicinal plants as much as 81.4%. This study reveals the lexicon of medicinal plants that developed in the Sukadana Malay. It is necessary to involve local health practitioners to get their views on the use of medicinal plants and their potential in modern medical practice.