Early childhood caries, has a major influence on child’s lifestyle, resulting in child experiencing severe pain, premature loss of teeth, poor nutrition, difficulty chewing, speech, compromised esthetics, development of abnormal oral habits and delay in achieving normal growth and development of child. This paper presents a case report of a Four-year-old child diagnosed with Severe Early Childhood Caries. It explains treatment plan for rehabilitating child's mouth, including caries prevention and restorative procedures using appliances and making special adjustments to a child's feeding habits, combined with maintaining good oral hygiene practices. Early childhood caries is an important oral condition that requires prompt treatment and early intervention. Early diagnosis and awareness of ECC are essential for helping the child maintain a good quality of life.