This report explores self-healing concrete, an innovative construction material designed to repair cracks using limestone produced by bacteria. It begins with an abstract and introduction, explaining the concept of self-healing concrete and its components, including Bacillus bacteria, calcium lactate, nitrogen, and phosphorus. The report details the advantages, such as self-repairing capabilities, increased compressive and flexural strength, and reduced steel corrosion. It also discusses the disadvantages, including increased cost and the impact of bacteria on concrete quality. The conclusion highlights the potential of self-healing concrete to meet construction standards and its significance in the field of civil engineering, emphasizing potential cost savings in the repair and maintenance of concrete structures. The report includes references to relevant research and links to manufacturers, providing a comprehensive overview of the technology.