Environmental sanitation is closely related to recurrent infections impacting stunting. The study aims to analyze the implementation of the five pillars of community-based total sanitation (CTLS) in the stunting risk area of Bandar Lampung City. The study used a qualitative design in the Sumberagung Subdistrict, Bandar Lampung City, from August to September 2023. Information was obtained from primary informants, key informants, and triangulation informants. Data was collected using in-depth interviews using a snowball approach and Focus Group Discussions (FGD) with key informants and triangulation. The results of the data collection interviews were made in transcript form, and content analysis was carried out. Generally, the community does not understand the implementation of the five pillars of CTLS. Dominant information is obtained by parents from generation to generation. However, the community has implemented the first pillar (open defecation free), the second pillar (washing hands with soap), and the third pillar (processing drinking water and household food), even though they still need to meet health requirements fully. The low level of knowledge has resulted in the implementation of the fourth pillar (household waste management) and the fifth pillar (household domestic wastewater management) of CTLS. Implementation of the fourth and fifth pillars of CTLS has yet to be implemented due to the lack of community knowledge due to lack of information. Carrying out education to increase knowledge is a significant effort that must be made to prevent stunting and improve public health status.