Abstract :
Diarrhea is the expulsion of feces with a soft to liquid consistency with a frequency of 3 or more stools in a day. Purpose of Wariting: Able to perform and apply nursing care to determine the application of coconut water to overcome electrolyte fluid disorders due to diarrhea in pre-school children in the working area of the Kabandungan Health Center. Research Results: This data was taken using a case study in the community on April 5 to April 7 2022 using 3 observation techniques, interviews and the author also used a literature study where data were obtained from journals, books and the internet related to the application of coconut water to overcome electrolyte disturbances due to diarrhea in preschool children. The benefits of coconut water can overcome diarrhea because of its bacterial effect and its nutritional content that is easy to digest. This provision can be applied for 3 days which is explained in the journal that consuming coconut water for 3 days this problem can be resolved and the child can avoid digestive tract disorders. Disturbances in fluid electrolytes generally occur due to excessive loss of body fluids. Conclusion: The problem was solved by doing non-pharmacological techniques (coconut water) 3 times. Suggestion: Therefore, it is recommended for health workers with coconut water as an easy non-pharmacological way to reduce diarrhea in pre-school children.